Monday

August 31, 2015
**college statistics**

consider a population with a mena =51.6 and a sd=5.9 (A) calculate the z score for x= 50.5 from a sample of size 47. (b) could this z score be used in calculating probabilities using table 3 in appendix b in text book ahy or ahy not
*Saturday, June 9, 2012 by melba*

**College Algebra**

How would I go about solving for x in the equation: ln(4x-2)-ln(4)=-ln(x-2) Thanks in advance
*Thursday, June 7, 2012 by Rina*

**college statistics**

find the normal approximation for the binomial probability that x=5 where n=14 and p=0.3 compare this to the value of p(x=5) found in table 2
*Tuesday, June 5, 2012 by melba*

**English I Part II College Prep Program**

Give two examples of each of the following elements of poetry from the poems you have read in Units 4, 5, and 6. Metaphor: Simile: Personification: Onomatopoeia: Imagery: Sensory Language: Rhyme: Alliteration: Assonance: Consonance: Repetition:
*Monday, June 4, 2012 by Delta*

**college math**

Find the value of the expression -128 + 4^ + 6 - 1
*Monday, June 4, 2012 by Lourane*

**college ststistics**

given x =237 u =2.00 and s=12.3 find z
*Monday, June 4, 2012 by melba*

**college ststistics**

find area under the standard normal curve A). p(z>0.58) B. p(-1.10<z<0)C. P(-1.60>=<z<2.09)
*Sunday, June 3, 2012 by melba*

**college ststistics**

A. find the binomial probability p(x=5) where n=14 and p=0.30. B. setup without solving the binomial probability p(x is at most 5) using probability notation C. how would you find normal approximation to the binomial probability p(x=5) in part A. please show how you would ...
*Sunday, June 3, 2012 by melba*

**college statistics**

a set of data is normally distributed with a mean of 1000 and a standard deviation of 100.what would be standard score for a score of 900.what percent of scores is betyween 1000 and 900.what would be percentile rank for a score of 900.
*Sunday, June 3, 2012 by melba*

**goal writing**

can you give me some ideas on writing goals and a action plan for starting college
*Sunday, June 3, 2012 by sandra*

**statistics**

Reading placement scores for a particular college are normally distributed with a mean of 72 and a standard deviation of 7. a) draw a sketch of the reading placement scores for students at this college. be sure to mark the mean and also to mark one and two standard deviations ...
*Sunday, June 3, 2012 by whitney*

**college math**

Find the measure of the missing angle a = 33o would the correct answer be 66
*Friday, June 1, 2012 by Lourane*

**college math**

In regards to my question radius 2.6 yd length 8.4, 3.14 I used that formula and somewhere i went wrong ikeep coming up with the answer 68.5776 whichis none of the choices given.
*Friday, June 1, 2012 by Lourane*

**college math**

Find the volume of an industrial tank in the form of a horizontal cylinder whose radius si 2.6 yd, and whose length is 8.4 yd Repport your answer to thenearest tenth of a cubic yard and use 3.14
*Friday, June 1, 2012 by Lourane*

**college math**

Calculate the perimeter of the Hoyt-Clagwell auto parts manufacturing plant. The plant is in the shape of a rectangle that measures 49.6 ft long by 37.7 ft wide. Would the formula be P= (2x 49.6 + 2 x 37.7) the answer 174.6 ft
*Friday, June 1, 2012 by Lourane*

**college math**

Find the area of the rectangle l = 13m h= 3 the answer be 39m
*Friday, June 1, 2012 by Lourane*

**college math**

Find the area of the square l = 14yd the answer be 196 yd
*Friday, June 1, 2012 by Lourane*

**college math**

Find the area of the parallelogram shown below 1=19, l= 25m the correct answer be 475
*Friday, June 1, 2012 by Lourane*

**college math**

Find the perimeter of the square l = 6.66 yd
*Friday, June 1, 2012 by Lourane*

**college math**

Find the area of the triangle whose base is 12 m and height is 15m. The formula be A = 1/2 x 12 x 12 the answer be 90
*Friday, June 1, 2012 by Lourane*

**college math**

Calculate the area of a circular patio that has a radius r = 3yd. Use 3.314 The formula be A = (3.14) x 3 x 3 the answer 28.26
*Friday, June 1, 2012 by Lourane*

**college math**

Find the area of the trapezoid l = 23 ft l = 15 ft h = 12 ft Would the formula be A = 1/2 x 12(23+15) the answer being 276 ft
*Friday, June 1, 2012 by Lourane*

**College math**

Find the volume of rectangle pet carrier whose dimensions are 18.20 in wide, 14.00 in long, and 18.80 in high Report your answer to the nearest hundredth of cubic inch.
*Friday, June 1, 2012 by Lourane*

**English**

Please check 8. An entry in the New World Encyclopedia. The entry is called Parent Education. It is written by M. S. Fisher. It was published in 2003. Fisher, M.S. Parent Education. Encyclopedia New World. 2003. Print. 9. An essay appeared in the journal called College English...
*Friday, June 1, 2012 by Ashley*

**College Physics**

A golf ball is it with the initial velocity of 50.0 m/s at an angle of 55 degrees above the horizontal. (a) How high will the ball go? (b) What is the total time the ball is in the air? (c) How far will the ball travel horizontally before it hits the ground?
*Thursday, May 31, 2012 by Christine*

**english**

correct any errors. Please check my answers. Question: 12) Every player on the team, must give their best effort in the championship game. Every player on the team, must give his or her best effort in the championship game. Question: 13) Each person in the seminar must submit ...
*Wednesday, May 30, 2012 by Ashley*

**college**

high knob mountain is 4044 ft high. What is this distance in meters?
*Wednesday, May 30, 2012 by Lourane*

**college math**

the little thrifty market has a parking lot with dimensions 125 feet by 210 feet. How many square yards is that?
*Wednesday, May 30, 2012 by Lourane*

**college math**

the posted speed limit on many U. S. Highway is 65 miles per hour. What is this speed in feet per second?
*Wednesday, May 30, 2012 by Lourane*

**college math**

perform the following unit conversion 3 3/4 yd = _____ in
*Wednesday, May 30, 2012 by Lourane*

**college math**

Some people feel that the ideal temperature for an office space is 72.0F. What is the temperature in C? The formula I used is F= 9 x 72 + 32 = 648 + 32 Is this correct so far
*Tuesday, May 29, 2012 by Lourane*

**Northern Virginia community college**

A speedboat heads west at 104 km/h for 24.0 min. It then travels at 64.0° south of west at 109.0 km/h for 13.0 min. (a) What is the average speed for the trip? What is the average velocity for the trip? magnitude direction
*Tuesday, May 29, 2012 by Domynique*

**college math**

In this question Farmer Jones needs to add 2200milliters of 2-4d weed to the mix tank. How many liter is that? My answer is 2.2 i moved the decimal 3 places to the left an I correct
*Tuesday, May 29, 2012 by Lourane*

**college math**

in regards to my 45 ft square2 -_yd square2 not 45.2 feet
*Tuesday, May 29, 2012 by Lourane*

**english**

correct any errors. I think everyone needs to do their best to get the job done. Did anyone leave their keys on my desk? My dad says nobody know how to do their fair share of the work on this job. Four years of college classes are a long time without an income.
*Tuesday, May 29, 2012 by ashley*

**College Algebra**

A gardener wants to fence in her plot in two equal rectangular sections. If she has 120 yards of fence and the area of the entire plot is 384 yd 2, find the possible dimensions in yards of the garden.
*Tuesday, May 29, 2012 by Tim*

**college math**

Peform the following unit conversion 45 ft.2 = ____yd
*Tuesday, May 29, 2012 by Lourane*

**college math**

A recipe calls for 600mL of whole milk. How many cups of milk is that?
*Tuesday, May 29, 2012 by Lourane*

**American History**

One more question: Why did the Progressive movement want the direct election of senators? Senators elected indirectly made little effort to represent the people. Progressives believed that having representatives elected by state legislatures was sufficient. Progressives ...
*Sunday, May 27, 2012 by Alex*

**college math**

in regard to my question find the median I put them into numeriacal order as follows 1400, 1550, 1700, 2500. 7000. the median should 1700 + 2500 total 4200 divided by 2 equal 2100
*Sunday, May 27, 2012 by Lourane*

**college math**

Solve for the x in the following prpportion x/60 = 9/5
*Sunday, May 27, 2012 by Lourane*

**college**

The company Animania has employees with monthly salaries of $1700, $1400, $7000, $1550, and $2500. Find the median of these salaries.
*Sunday, May 27, 2012 by Lourane*

**college math**

In regards to my question $7000 raise previous salary $55,000 would the increase be 14%. Pleae show how you recived this answer
*Saturday, May 26, 2012 by Lourane*

**College math**

Nick received a $7000 raise. If his previous salary was $55,000 what was the percent of increase in salary?
*Saturday, May 26, 2012 by Lourane*

**college math**

28% of what number is 3 1/2
*Saturday, May 26, 2012 by Lourane*

**college math**

5 is ____ % of 7 could 0,71 be the correct answer
*Saturday, May 26, 2012 by Lourane*

**college math**

my previous question 3/8 x 12.52 could show me how you worked it out to get the answer 4.695 Thanks
*Saturday, May 26, 2012 by Lourane*

**college statistics**

construct a scatterplot for x,y values x 1 2 3 4 5 y 0.5 0.0 -0.5-1.0-1.5 what would be the slope of this regression line would the correlation between xand y be postive oe negative how would you interpret these data in terms of regression
*Saturday, May 26, 2012 by melba*

**college statistics**

if the correlation co-efficient is o.32 what is the sign of the slope regression line as the correlation co efficient decreases from 0.78 to 0.71 do the oints of the scatter plot move toward the regression line or away from it
*Saturday, May 26, 2012 by melba*

**College Math**

Perform the indicated operations 3/8 x 12.52
*Friday, May 25, 2012 by Rhondia*

**college math**

Write as a reduced fraction 10 1/8 %
*Friday, May 25, 2012 by Lourane*

**college math**

If gas cost $3.97 per gallon what is the cost of filling a 13.8 gallon gas tank?
*Friday, May 25, 2012 by Lourane*

**Business HELP!!!**

This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to lend. C. Inflation ...
*Friday, May 25, 2012 by anon*

**Business **

This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to lend. C. Inflation ...
*Thursday, May 24, 2012 by anon*

**Business Accounting**

This is a 100 question hw sheet and I have answered all but i am unsure about a few please help!!! 8. Which of the following statements about when the Fed increases the reserve requirement is correct? A. Interest rates go down. B. Banks have more money to lend. C. Inflation ...
*Thursday, May 24, 2012 by anon*

**statistics (college**

An insurance company checks police records (in a city) on 500 accidents selected at random and notes that teenagers were at the wheel in 120 of them. It is desired to test if this information indicate that more than 20% of auto accidents involve teenage drivers in the city. ...
*Wednesday, May 23, 2012 by Hannah*

**Math**

1.The principal is $50,000. This is P. 2.Research the annual interest rate for your investment. This is r. 3.State the time in years for the investment (as in when the new grandchild will be attending college). This is t. 4.State the number of compounding periods per year. ...
*Wednesday, May 23, 2012 by ruby*

**college physics**

Two blocks of mass m1 = 3.00 kg and m2 = 7.50 kg are connected by a mass less string that passes over a frictionless pulley. The inclines are frictionless. So this is like a triangle with a pulley at the top and both blocks resting at either side of the pulley each at a 35 ...
*Wednesday, May 23, 2012 by kathy*

**College Math**

Simplify 5 + 1/3 x1/3 x1/3-(1/9 + 1/9)
*Wednesday, May 23, 2012 by Lourane*

**College Math**

Sue I believe my answer to my problem 10 3/5 - 2 10/11 is 7 38/55. Am I right
*Wednesday, May 23, 2012 by Lourane*

**College Math**

Sue I believe my answer to my problem 10 3/5 - 2 10/11 is 7 38/55. Am I right
*Wednesday, May 23, 2012 by Lourane*

**statistics college**

SATI SCORES AROUND THE NATION HAVE A MEAN SCORE AROUND 500 A STANDARD DEVIATION OF ABOUT 100 POINTS AND ARE APPROXIMATELY NORMALLY DISTRIBUTED A PERSON WHO SCORES A PERFECT SCORE OF 800 ON THE SAT I HAS APPROXIMATELY WHAT PERCENTILE RANK WITHIN THE POPULATION
*Tuesday, May 22, 2012 by melba*

**statistics college**

find the range standard deviation and variance for following sample data 2,11,81,29,22,59,78,71,21,43,99,12,38,74,56,81
*Tuesday, May 22, 2012 by melba*

**statistics college**

suppose we have a set of blood pressure set with a mean of 120 systolic and a sample standard deviation of 20 points assume a normal distribution of what two values should 95% of all systolic bp lie
*Tuesday, May 22, 2012 by melba*

**College Math**

Subtract 10 3/5 - 2 10/11
*Tuesday, May 22, 2012 by Lourane*

**College Math**

Add 5 1/4 + 3 1/9
*Tuesday, May 22, 2012 by Lourane*

**college math**

Solve the quadratic equation by completing the square. x^2 + 14x + 35 = 0 and x^2 + 8x = 5
*Tuesday, May 22, 2012 by juliana*

**english**

I wrote an essay because i'm apply to get into the honor's program. I'm supposed to write about who i was, who i am now, and who I would like to be. I would appreciate it if I got some feed back along with grammar correction. Is my essay even close to being okay or...
*Tuesday, May 22, 2012 by jennifer*

**English - ms. sue**

ms. sue what this quote mean i only say that it mean that uncle al underestimate jacob, i not know how to explain it more. "I don't give a damn what it is - even if I gave you a job on the show, you wouldn't survive. Not for a week. Not for a day. The show is a ...
*Sunday, May 20, 2012 by Mohammad*

**Psychology**

Please check my practice test 1. What are some self-control principles that you as a college student could use to increase the amount of time you spend studying with success? a) Find a quiet spot to work with minimal disturbance and set a modest target for how long you will ...
*Sunday, May 20, 2012 by Susan*

**statistics**

In a survey of 400 college students, 40 were left-handed. Treating the sample as if it were random and using 0.015 as the standard deviation of the sampling distribution of the sample proportion, what is the lower bound of a 95% confidence interval for the population proportion?
*Friday, May 18, 2012 by D*

**Statistics**

From random sample of 200 college students, 40 students indicated that they smoke cigarettes. Use the information from the sample to calculate a 95% confidence interval for the population proportion of college students that smoke cigarettes (round to nearest hundredth). A. (0....
*Friday, May 18, 2012 by Mary*

**ALGEBRA**

From a survey of 100 college students, a marketing research company found that 70 students owned iPhones, 30 owned cars, and 15 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? students (b) How many students do not own either a...
*Wednesday, May 16, 2012 by Monic*

**physics college**

Use Newton's Law of Gravitation to compute the work W required to propel a 1100 kg satellite out of the earth's gravitational field. You may assume that the earth's mass is 5.981024 kg and is concentrated at its center. Take the radius of the earth to be 6.37106 m ...
*Wednesday, May 16, 2012 by lost*

**physics college**

A billiard ball that is initially at rest is given a sharp blow by a cue stick. The force is horizontal and is applied at a distance h = 2R/3 below the centerline, The speed of the ball just after the blow is v0 and the coefficient of kinetic friction between the ball and the ...
*Wednesday, May 16, 2012 by lost*

**physics college**

A billiard ball that is initially at rest is given a sharp blow by a cue stick. The force is horizontal and is applied at a distance h = 2R/3 below the centerline, as shown in the figure below. The speed of the ball just after the blow is v0 and the coefficient of kinetic ...
*Tuesday, May 15, 2012 by lost*

**writing**

what is wrong with this pargraph Since every person has only one opportunity to live each hour of his life, the time must be spent wisely. He should spend it thoughtfully. He should care what he does with his time. He should use good judgment. He should be intelligent in his ...
*Tuesday, May 15, 2012 by lori*

**stat**

for randomly selected adults, IQ scores are normally distributed with a standard deviation of 15. the scores of 14 randomly selected college students are listed below. use a 0.10 significance level to test the claim that the standard deviation of IQ scores of college students ...
*Monday, May 14, 2012 by carl*

**algebra**

you have just graduated from college and recently opened a specialty pizza restaurant. Based on surveys conducted in your area, you determine what it is feasible to sell your specialty for $15. The cost for making the pizzas includes a fixed cost of $55 and a labor cost of $4 ...
*Sunday, May 13, 2012 by cathy*

**Math**

The cars in a car service use a total of gallons of gasoline per week. If each of the cars uses the same amount of gasoline, then, at this rate, which of the following represents the number of gallons used by 5 of the cars in 2 weeks? A. 10CG B. 2G/5C C. 5G/2C D. G/10C E. 10G/...
*Saturday, May 12, 2012 by John*

**algebra**

Break-Even Analysis: A Look at Profit and Loss: As an entrepreneur, there are going to be many decisions that you need to make, such as the price to charge your customers for your goods and services. You have just graduated from college and recently opened a specialty pizza ...
*Friday, May 11, 2012 by larry*

**college algebra**

ln(9* e^3)
*Thursday, May 10, 2012 by jill*

**math**

Jeff wants to start a lawn maintenance service to earn money for college. He wants to charge $25 for a small lawn and $35 for a large one. It takes him an average of 2 hours to mow and trim a small lawn and 3 hours to do a large one. He wants to make at least $250 a week but ...
*Wednesday, May 9, 2012 by Cj*

**College Geometry**

In discussing Frieze Groups it was assumed that there is a smallest positive translation along the axis. All translations for the pattern form a subgroup. Consider the axis to be the Reals and G to be a subgroup under +. Look at the infimum T of all strictly positive elements ...
*Tuesday, May 8, 2012 by Josh*

**College Physics Homework. Please help!**

A metal bar with a length of 0.30 m and mass of 0.5 kg is free to slide (no friction) on a set of vertical rails. The rails and bar together have a resistance of 500 ohms. The rails lie in a horizontal magnetic field with a strength of 0.04 T. The mass falls under the combined...
*Monday, May 7, 2012 by Rich*

**statistics**

In a random sample of 112 State College students, 41 students reported being current smokers. a) Calculate the 95% confidence interval for the proportion of State College students who smoke.
*Monday, May 7, 2012 by Anonymous*

**statistics**

In a random sample of 112 State College students, 41 students reported being current smokers. a) Calculate the 95% confidence interval for the proportion of State College students who smoke.
*Monday, May 7, 2012 by Anonymous*

**math**

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.
*Sunday, May 6, 2012 by jennifer*

**math**

A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval.
*Sunday, May 6, 2012 by jennifer*

**Writing**

Can you proofread my research paper, I mostly need help on vary sentence structure? Being Poor Doesn’t Mean a Thing “You are my sunshine, my only sunshine. You make me happy when the skies are grey.” These are the lines from Louisiana’s famous singing ...
*Sunday, May 6, 2012 by Jalia*

**statistics**

To determine how many hours per week freshmen college students watch television, a random sample of 225 students was selected. It was determined that the students in the sample spent an average of 35 hours watching TV per week. The population standard deviation is known to be ...
*Sunday, May 6, 2012 by M.C*

**Nutrition **

Read this summary and then answer the questions. This is Tyler's freshman year in college, and he has been earning good grades and performing well in his part-time job. However, Tyler's eating habits have been poor, and has gained a few pounds. His expanded waistline ...
*Saturday, May 5, 2012 by Jessica*

**College algebra**

An architect wishes to design a large room 122 feet long that will be a whispering gallery. The ceiling of the room has a cross section that is an ellipse whose foci are to be located 14 feet to the right and the left of center. Find the height h of the elliptical ceiling ( to...
*Saturday, May 5, 2012 by Missy*

**College algebra**

A circular vent pipe with a diameter of 5.5 inches is placed on a roof that has a slope of 1/4. Find an equation of the ellipse that should be cut from the roof so that the pipe will fit. Round parameters to the nearest hundredth.
*Saturday, May 5, 2012 by Missy*

**College algebra**

Find the standard form of the equation of the hyperbola with the given characteristics. Foci:(+4,0) or (-4,0) Asymptotes: y=4x or y=-4x.
*Saturday, May 5, 2012 by Missy*

**College algebra**

A fountain in a shopping mall has two parabolic arcs of water intersecting. The equation of one parabola is y = -0.25x^2+2x and the equation of the second parabola is y=-0.205x^2+4x-11.75. How high above the base of the fountain do the parabolas intersect? All dimensions are ...
*Saturday, May 5, 2012 by Missy*

**College Chemistry**

A gas containing carbon and hydrogen analyzed as 85.6 % carbon and 14.4 % hydrogen. A 42.1 g sample of a gas occupied a volume of 7490 mL with a pressure of 2280.0 torr at 92 °C. Enter the molecular formula of the compound. Thanks.
*Friday, May 4, 2012 by Lance*

**College chemistry**

Need help balancing chemical equation. Complete and balance the chemical equation. Be sure to include the states of the reactants and products. C3H8(g)+O2(g) →
*Friday, May 4, 2012 by Lance*

**intro to chemistry (college)**

A 64.8 g mixture of the compounds potassium sulfide and calcium oxide is 17.1 % by mass potassium sulfide. The compound calcium oxide is 71.5 % by mass calcium. Calculate the mass (g) of oxygen in the mixture. mass % = mass part/mass whole x 100. I attempted the problem by ...
*Thursday, May 3, 2012 by James*

**Chemistry College**

A 79.1 g mixture of the compounds calcium chloride and sodium sulfide is 80.9 % by mass sodium sulfide. The compound sodium sulfide is 58.9 % by mass sodium. Calculate the mass (g) of sulfur in the mixture. thanks.
*Thursday, May 3, 2012 by Lance*