tea

Most popular questions and responses by tea
  1. Statistics

    Random samples of size n = 80 were selected from a binomial population with p = 0.6. Use the normal distribution to approximate the following probabilities. (Round your answers to four decimal places.) (a) P(p̂ ≤ 0.63) = (b) P(0.57 ≤ p̂ ≤ 0.63) =

    asked on April 16, 2019
  2. chemistry

    calculate the grammes of oxygen which would be evolved on heating 5g of potassium trioxochlorate(v)

    asked on September 7, 2015
  3. chemistry

    The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7

    asked on January 11, 2010
  4. statistics

    7. A recent study investigated the effects of a "Buckle Up Your Toddlers" campaign to get parents to use the grocery cart seat belts. When gathering baseline data prior to the campaign, investigators observed 86 out of 640 parents buckling up their

    asked on March 26, 2012
  5. chemistry(can anyone help me with this)

    Which of the following is NOT true? A. Except for absorbance, most measurements contain significant figures and units. B. All numbers should be recorded from a digital readout. C. The uncertain digit is estimated between the last two markings. D. If an

    asked on January 19, 2010
  6. statistics

    One method for estimating the availability of office space in large cities is to conduct a random sample of offices, and calculate the proportion of offices currently being used. Suppose that real estate agents believe that of all offices are currently

    asked on March 26, 2012
  7. statistics

    In a study of termite populations in Swaziland, the following data were gathered on the percentage of termites that were classified as "major workers" at seven randomly selected sites:37.6 20.0 28.8 29.9 51.9 13.6 34.5 29.0 a)Use the given data to produce

    asked on March 26, 2012
  8. statistics

    According to internal testing done by the Get-A-Grip tire company, the mean lifetime of tires sold on new cars is 23,000 miles, with a standard deviation of 2500 miles. a) If the claim by Get-A-Grip is true, what is the mean of the sampling distribution of

    asked on March 26, 2012
  9. Physic

    A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = (1.6m)*sin (πt + π/3). What is the velocity (in m/s) of the body at t = 1.3 s?

    asked on January 21, 2017
  10. western civilization

    discuss the reasons for Martin Luther’s break with the Catholic Church and his “radical” views on the role of the Papacy, the road to salvation, and the special nature of the priesthood

    asked on July 28, 2013
  11. western civilization

    Niccolo Machiavelli, author of "The Prince", is considered to be the first modern political theorist. Why is Machiavelli considered the first modern political observer and discuss his ideas on the relationship between the Prince and God; the importance of

    asked on July 28, 2013
  12. statistics

    A random sample of the houses in a particular city is selected and the level of radon gas is measured for each house in the sample. The values collected are given below in parts per million (ppm). Experience has shown that radon gas level is approximately

    asked on March 26, 2012
  13. chemistry

    Select all cases in which the units comprising the solid are best classified as ions? P4 Mg(ClO3)2 Ge Pb(NO3)2 Ag C2H4O2

    asked on January 16, 2010
  14. math

    If 6x - 3y= 30 and 4x= 2-y then find x+y.

    asked on October 15, 2010
  15. chemistry

    A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 152 cm and makes an angle of 125° with the positive x axis. The resultant displacement has a magnitude of 150 cm and is directed at an angle of 35.0°

    asked on January 25, 2010
  16. king arthur

    i need help....!!i need to explicite king arthur's court...can anyone help me..i am not allowed tu use the internet...i have to read description of arthur's court from sir gawain and the green knight..and write about the court...so can anyone help me???

    asked on November 12, 2006
  17. basic math

    Identify the rate, base, and amount in the following applications. Do not solve the applications at this point. 22% of Shirley’s monthly salary is deducted for withholding. If those deductions total $209, what is her salary?

    asked on April 7, 2010
  18. English

    need to unscramble these letters and make a sentence: hinhakinyteftiditelt

    asked on January 18, 2013
  19. Math

    x^3 - x^2 - 14x +24

    asked on December 7, 2011
  20. basic math

    question 1 x/32=7/8 and question 2 y/12=5/0.6 please help

    asked on April 4, 2010
  21. chemistry

    Calculate the volume ( L ) of the solute C3H8O3 and the mass ( g ) of the solvent H2O that should be added to produce 6050 g of a solution that is 1.17 m C3H8O3.

    asked on January 20, 2010
  22. chemistry

    The Rydberg equation (1=Rni 2–Rnf 2) can be treated as a line equation. What is the value of nf as a function of the slope (m) and y-intercept(b)? A. –mb^2 B. (–m/b)^(1/2) C. m/b D. (m/b)^(1/2) E. (mb)(1/2) F. None of these are correct.

    asked on January 11, 2010
  23. sociolinguistics

    does anyone know what a superposed language is? To superpose is to place something OVER something else. In this case, if you are talking about a language, you would be taking a new language and making it the language of common usage. Example, if you are an

    asked on June 17, 2007
  24. language

    Even though, it is almost summer we still have overcast skies and light rain.

    asked on August 2, 2012
  25. english

    Hi! Does anyone have a very difficult exercise on future tenses (will,going to and present continuous)? Almost impossible to solve? It can be some kind of a text, or typical gap exercise but it has to be for B2 or C1. I have checked almost the entire

    asked on February 24, 2014
  26. Math

    Factor the polynomial X^3 + 7x^2 +15x + 9 I tried factoring by grouping. I got stuck at this part: x^2 ( x + 7 )...

    asked on December 7, 2011
  27. basic math

    Determine if the given rates are equivalent. 9in/57 miles = 6 in/38 miles

    asked on April 4, 2010
  28. social studies

    i need help trying to write a limerick on goerge washington or thomas jefferson

    asked on November 5, 2009
  29. sociolinguistics-one more question

    i forgot to ask one more thing..what is a regional dialect?i can't find anything about that A regional dialect is the use of certain words and accents peculiar to a given region. Y'all, for instance, marks a southern U.S. speaker. The pronunciation of some

    asked on June 17, 2007
  1. Geometry

    9

    posted on June 5, 2019
  2. Language arts

    wtf guys just give us the answer

    posted on May 30, 2019
  3. math help please

    it’s A!

    posted on May 29, 2019
  4. social studies

    than whats the right one

    posted on March 14, 2019
  5. math

    I don't think that the new York city of London and you have received the email

    posted on December 21, 2017
  6. science PLZ HELP

    1. A 2. B 3. A 4. B 5. C 6. C 7. A 8. B 9. C 10. A 11. B 12. A 13. B 14. A 100% Thanks olivia also if anyone has the unit test answers for this unit please provide them

    posted on April 22, 2017
  7. social studies. NEED HELP ASAP

    thx

    posted on February 15, 2017
  8. Help Ms.Sue!!! Social Studies

    Thank you so MUCH!!!!!!!!!! I got a 100% thank you thank you!!! :D

    posted on February 14, 2017
  9. Intergrated physics and chemistry

    Wrong answer I tried 137N and it didn't work. The correct answer is 1,370N.

    posted on April 17, 2015
  10. Math

    Well, Steve sorry to steal your thunder, but it would actually be 4.8 cm if it was 48mm high. Because you would have t convert itinto centimeters because the answer for the question requires that it be in centimeters. Your welcome Valina, I had kinda got

    posted on March 6, 2014
  11. chemistry

    i got this question already, thanks

    posted on January 11, 2010