A breakfast cereal includes marshmallow shapes in the following distribution: 10% stars, 10%crescent moons, 20% rockets, 40% astronauts, 20% planets. We are interested in examining theproportion of rockets in a random sample of 2000 marshmallows from the cereal.(a) Sketch the population distribution of marshmallow shapes.(b) Suppose you were to collect a random sample of 2000 marshmallow shapes. Sketch thedistribution of sample data you would expect to see. How many rockets would you expect to seein your sample?

Given that: Sample size=2000 10% stars, 10% crescent moons, 20% rockets, 40% astronauts, 20% planets

Answered: A breakfast cereal includes marshmallow…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In the US, 43.9% of all people have type O blood, 40.6% have type A blood, 10.8% have type B blood and 4.7% have type AB blood. A researcher wants to see if the distribution of blood type is different for millionaires. The table below shows the results of a random sample of 3488 millionaires. What can be concluded at the a = 0.05 significance level? a. Complete the table by filling in the expected frequencies. Round to the nearest whole number: Frequencies of Blood Type Outcome Frequency Expected Frequency 1521 A 1427 В 376 АВ 164
Answer the following questions using the separate rates X1,..., X20 and Y1,..., Y20 shown in Figure 1. (a) Carry out the calculations for a test of the hypotheses that the mean U.S. mortality rate On remained the same or increased from 2005 to 2015 against the alternative that the mean mortality rate decreased. State the hypotheses, test statistic, rejection region, and p-value. Do not interpret the conclusion of the test. (b) Compute a 99% confidence interval for the change in mean heart rate mortality. Do not interpret the interval.
Consumer Reports rated automobile insurance companies and gave annual premiums for top-rated companies in several states. The figure below shows premiums for urban customers (married couple with one 17-year-old son) in three states. The box plots were all drawn using the same scale on a TI-8- Texas Pennsylvania California (a) Which state has the lowest premium? the highest? O lowest, California; highest, Texas O lowest, Texas; highest, Pennsylvania O lowest, Pennsylvania; highest, California lowest, California; highest, Pennsylvania
You may need to use the appropriate technology to answer this question. During the first 13 weeks of the television season, the Saturday evening 8:00 p.m. to 9:00 p.m. audience proportions were recorded as ABC 31%, CBS 26%, NBC 27%, and independents 16%. A sample of 300 homes two weeks after a Saturday night schedule revision yielded the following viewing audience data: ABC 97 homes, CBS 68 homes, NBC 91 homes, and independents 44 homes. Test with a = 0.05 to determine whether the viewing audience proportions changed. State the null and alternative hypotheses. 0.31, PCBS = 0.26, PNBC = 0.27, PIND 0.27, PIND = 0.16. Ho: : The proportions are not pPABC Наi РАВС 3 0.31, РсвS 0.26, PNBC 0.16 0.27, 0.16 Но: РАВС 0.31, Рсвs 3D 0.26, Наi РАВС + 0.31, РсвS PNBC + 0.26, PNBC ± 0.27, , PIND + 0.16 Ho: PABC + 0.31, PCBS + 0.26, PNBC + 0.27, PIND + 0.16 0.26, PNBC 0.27, PIND = 0.16 %D На РАВС - 0.31, РсBs 0.26, PNBC 0.27, PIND 0.16 Нo: РАВС - 0.31, РсBS H: The proportions are not PABC 0.16. 0.31,…
(#15) please help

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