Nhat areas make up the lowest 15.8% of the distribution?

Q: A survey of 350 people shows that 210 people have seen a movie in the last month. Find the sample…

A: The sample proportion (p̂) is calculated by dividing the number of people who have seen a movie in…

Q: Find the Mean number of the percents 4.38+4.62+4.88+5.02+5.33+6.30

A: Mean is the measure of central tendency. mean of the observations is sum of observations divided by…

Q: A sample of single persons receiving Social Security payments revealed these monthly benefits: $875,…

A:

Q: Determine the median of the following data set: 51, 29, 94, 77, 50, 77, 76, 10, 39

A:

Q: Suppose a sample of 158158 tankers is drawn. Of these ships, 135135 did not have spills. Using the…

A: It is given that, among 158 tankers 135 did not have spills.

Q: What's the median of 10.2,12.6,20.4, and 13.6 to 3 decimal places

A: It is an important part of statistics. It is widely used.

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: Imagine that the pregnancy test accurately indicates pregnancy in 97.5% of the people who have it.…

A: The miss rate will be 2.5%

Q: 1980 alcohol consumption per capita in the United States? (Round to the nearest percent.)

A: Given: The data given is as follows Australia 9.7 Austria 11.1 Belgium 11.5 Canada 7.6…

Q: The owner of a local bar specializing in alternative music wanted to determine the average age of…

A: t 95% confidence level, the z value is 1.96 which can be obtained by using the standard normal…

Q: what does being in the 60th percentile mean?

A: Given that 60th percentile   Let a student got 60th percentile in a exam

Q: 25% of pitchers are left-handed. a survey of 80 pitchers showed 27 are left-handed. find the point…

A: Solution:Point estimate: The population parameter which is estimated by using sample statistic is…

Q: Elena asked 16 students how many hours they had spent doing homework during the previous week. The…

A: The size of the given data is n = 16 The minimum value in the data = 2 The maximum value in the data…

Q: what is the annual income of a household in the 90th percentile of annual household income in…

A: In normal distribution mean, median and mode are equal Mean=Median=Mode=75847, Standard…

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: What is an outlier?

A: We have to describe the outlier. Outlier can be present in any dataset.

Q: If the proportion of Heads is .45 out of 200 flips, what is the p-value?

A: The proportion of Heads is .45 out of 200 flips.

Q: Harley Davidson motorcycles make up 13% of all the motorcycles registered in the United States.You…

A: Approximate distribution is normal

Q: A company wants to determine the frequency of the occurrence of invoice error. Suppose that in a…

A:

Q: To the nearest whole number, what percent of respondents did not choose Dominos or Marcos as their…

A: Given that: The frequency of each respondent's favorite pizza shop is recorded and shown in the…

Q: in the highest 2.5 percent eat?  What is the z-score

A: Given that 2.5% of the highest area present in the data. That is, P(Z>z)=2.5%=0.025…

Q: In June, an investor purchased 3000 shares of Oracle (an information technology company) stock at…

A: Let, X be the share price of Oracle. X1=$53X2=$42X3=$45 Let, w be the number of shares.…

Q: 0.25 inches. About 95% of the distribution lies between what two values?

A:

Q: Suppose that 19% of all athletes in a sport use a banned drug. A test is available that detects 88%…

A:

Q: C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals should have…

A: Given information: GSS 2014 and GSS 2018 respondents were asked their opinion on whether…

Q: America OnLine published a survey question. Among the 2,300 Internet users who responded, 20%…

A: From the given information, America OnLine published a survey question. Among the 2,300 Internet…

Q: Eight movies based on Marvel comic book characters for the U.S. box office as of fall 2017 are shown…

A:

Q: calculate the 44th percentile of the data shown, 7,8.2,10.1,13,12.7,18,21.9,40.6,41.2,50.1

A:

Q: The test for a certain disease is 86% accurate.  A hospital tests a sample of 5000 patients for this…

A: Given: Accuracy of the test is 86% Inaccuracy of the test = 100-86% = 14% N = Total number of…

Q: d. equals the national mean of $55.4 thousand. e. exceeds the national mean of $55.4 thousand.

A: μ=55.4 Population mean  Claim: The mean annual salary of classroom teachers in Ohio is greater than…