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Mathematics and Statistics
Page 3
Questions (429)
This table shows the number of hours Harry spent watching television and the hours he spent doing his homework on three days
4 answers
asked by
Yo
1,580 views
Which one of the following is NOT an example of discrete data?
A. number of households watching the Home Improvement. B. number
4 answers
asked by
Tykrane
4,791 views
Can someone help me with this questions.
Find the variance for a given data. Rpund your answer to one more decimal place then the
3 answers
asked by
natalie
2,537 views
Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses re made and each
3 answers
asked by
Sue
2,354 views
which line model the data point better and why
3 answers
asked by
sebastian chapa
56 views
Multiple Choice
Eighteen students in a class play baseball. Seventeen students in the class play basketball. Thirty students in
3 answers
asked by
ss
123 views
Shirts with a school's mascot were printed, and the table shows the number of people who bought them the first, second, third,
3 answers
asked by
blu
209 views
An economics exam is worth 60 points and is taken by 500 students. the scores on the exam are normally distributed with the
3 answers
asked by
David
434 views
Mr. Williams just finished grading his science exams. The class average score on his exam was 79%. However, he forgot to grade
4 answers
asked by
Madi
1,251 views
1.What are the mean, median, mode, and range of the data set given the altitude of lakes in feet:
-12,-9,-14,-39,-49,-49,-18, and
4 answers
asked by
help me plz
960 views
The back-to-back stem-and-leaf plot below shows the ages of patients seen by two doctors in a family clinic in one day. Compare
4 answers
asked by
Need Help Asap!!
2,594 views
A family has 3 children. Their first child was a girl. What I'd the probability that the two children are of different gender?
3 answers
asked by
Ana
636 views
For the data set shown by the table,
a. Create a scatter plot for the data. (You do not need to submit the scatter plot) b. Use
4 answers
asked by
Ciara
2,596 views
A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days?
find the
3 answers
asked by
Bobbie
2,751 views
The number N of state and federal inmates in millions during year x, where x>2002 can be approximated by the following formula
N=
2 answers
asked by
annoymous
524 views
In class of 125 students, 70 students passed in Math, 56 students passed in Statistics, and 30 passed in both. The probability
3 answers
asked by
Anonymous
1,210 views
A newspaper has 80 pages. If 20 of the 80 pages are devoted to advertising. What percent of the newspaper consists of
4 answers
asked by
FITTY
600 views
When the Indianapolis Colts recently won the Super Bowl, the numbers on the jerseys of the active players were 29, 41, 50, 58,
2 answers
asked by
Andrea
567 views
14.
Parks A survey of 300 parks showed the following. 15 had only camping. 20 had only hiking trails. 35 had only picnicking. 185
3 answers
asked by
Sarah
1,646 views
Three students take equivalent stress tests. Which is the highest relative score?
a. A score of 144 on a test with a mean of 128
4 answers
asked by
Charlie
1,155 views
The heights of the students in a statistics class are approximately normal with mean 68 inches and a standard deviation of 2.75
2 answers
asked by
Alex
904 views
Estimating the chances of an event occurring is useful in making decisions.
Estimar las posibilidades de qué un evento ocurra es
3 answers
asked anonymously
32 views
A sample of 16 ATM transactions shows a mean transaction time of 67 seconds with a standard deviation of 12 seconds. State the
4 answers
asked by
julie
1,868 views
The general direction in which a graph is moving is called a(n) ________.
trend inference research measurement
2 answers
asked anonymously
41 views
In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final
4 answers
asked by
Jannel
2,700 views
What is the theory behind the variable and its use?
4 answers
asked by
Jesus
407 views
The ages of competitors in a grandmaster chess tournament is under dispute. The National Chess League (NCL) claims that the
2 answers
asked anonymously
51 views
A certain type of concrete mix is designed to withstand 3000 pounds per square inch (psi) of pressure. The concrete is poured
2 answers
asked by
AOL
56 views
which of the following observations would be consistent with an exponential model of population growth?
A) The population grew
4 answers
asked by
idk
628 views
A line graph shows the population increase in millions, the Natural Increase Rate and the Population in billions from the year
2 answers
asked by
savior
138 views
A researcher conducts a mileage economy test involving 60 cars. The frequency distribution describing average miles per gallon
2 answers
asked anonymously
53 views
The median is the middle value in a data set, where 50% of the data is larger and 50% of the data is
smaller. What is the
2 answers
asked anonymously
55 views
2.
The histogram below shows how many people from different ages groups attended a school play. Tickets for the school play are
3 answers
asked anonymously
37 views
Using the relevant statistical analyses comment on the precision and accuracy of the data set 42.2, 41.6, 42.0, 41.8, 42.6, and
1 answer
asked by
Sam
92 views
In a certain class,22 pupils take one or more of chemistry, economics and government.12 take economics (E),8 take Government and
1 answer
asked by
Precious
94 views
. The production supervisor at a fiber board plant uses a simple exponential smoothing technique (a = 0.2) to forecast demand.
1 answer
asked by
Anna
85 views
What is the Mean, Median, and Mode for the following electrical test:
32 31 32 35 38 32 64 (volts)
1 answer
asked by
Lis
168 views
Examples of relative and subjective probability that is used in daily life, in school or work
1 answer
asked by
John
228 views
Explain why subjective probability is considered the weakest of the three types of probability. Also, provide an example.
1 answer
asked by
Jade
234 views
Identify when a bar graph are used
1 answer
asked by
Anonymous
256 views
Abby writes a test in maths and in science.The probability that she passes maths is 0.6.
The probability that she passes science
1 answer
asked by
Spare please
350 views
Could tú give mi some examples of independent events.
Gracias Helen Doe🤔
3 answers
asked by
Helen Doe🤔
380 views
In a university, 30% of the students major in Business management, 25% major in mathematics and 10% major in both business
2 answers
asked by
Ange
684 views
Fender Company had the following data for four months.
Total Cost Production Units January $50,000 1,000 February$53,750 1,150
1 answer
asked by
Mike
526 views
X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then
6 answers
asked by
Anonymous
496 views
Combined, there are 178.
Asians, Africans, Europeans, and Americans in a village. The number of Asians exceeds the number
2 answers
asked by
Kenny
1,087 views
At a college, records show that the average persons grade point average, G, is a function of the number of hours he or she
2 answers
asked by
tom
698 views
Hi there, I am doing my statistics homework and am having trouble with a few problems. I sincerely appreciate any help I
1 answer
asked by
Chris
1,083 views
1. Two-thirds of the books are novels.
2. One-third of the water is sweet. 3. Most of some pencils are short. 4. Most of some
1 answer
asked by
rfvv
466 views
Use technology to find the P-value for right-tailed test with n=8
and test statistic t equals 2.531 Find the P value
2 answers
asked by
Anonymous
520 views
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