Math 302 week 5 quiz - Study guides, Class notes & Summaries

MATH 302 Final Exam QUESTIONS & ANSWERS 2022 UPDATE - American UniversityMATH 302 Final Exam 2022 - American University QUIZ 1 Question 1 of 20 1.0/ 1.0 Points Which of the following statements are false regarding a boxplot? A. The height of the box has no significance. B. Boxplots can be used to either describe a single variable in a data set or to compare two (or more)variables C. The length of the box equals the range of the data. D. The right and left of the box are the t...

MATH 302 WEEK 3 TEST A coin is flipped 30 times. Find σ². Round to 1 decimal place. Answer: 7.5 30*.5*.5 Question 2 1 / 1 point Approximately 10% of all people are left-handed. If 200 people are randomly selected, what is the expected number of left-handed people? Round to the whole number. Do not use decimals. Answer: 20 200*.10 Question 3 1 / 1 point Suppose a random variable, x, arises from a binomial experiment. If n = 14, and p = 0.13, find the P...

MATH 302 WEEK 3 QUIZ If random variable X has a binomial distribution with n =10 and P(success) =p =0.2, find the probability that X is less than 6. (That is, find P(X<6) Answer: (round to 4 decimal places) Answer Key:0.9936|.9936 P(x < 6) = P(x is less than or equal to 5), in Excel =BINOM.DIST(5,10,0.2,TRUE) Approximately 8% of all people have blue eyes. Out of a random sample of 20 people, what is the probability that at most 2 of them have blue eyes? Round answer to 4 decimal pl...

MATH 302 Week 5 Quiz with Answers Part 1 of 4 – Z-interval for Unknown Questions A researcher would like to estimate the proportion of all children that have been diagnosed with Autism Spectrum Disorder (ASD) in their county. They are using 97% confidence level and the CDC national estimate that 1 in 68 ? 0.0147 children are diagnosed with ASD. What sample size should the researcher use to get a margin of error to be within 1.5%? Round up to the nearest integer, do not include decimals. ...

MATH 302 Week 5 Quiz with Answers Part 1 of 4 – Z-interval for Unknown Questions A researcher would like to estimate the proportion of all children that have been diagnosed with Autism Spectrum Disorder (ASD) in their county. They are using 97% confidence level and the CDC national estimate that 1 in 68 ? 0.0147 children are diagnosed with ASD. What sample size should the researcher use to get a margin of error to be within 1.5%? Round up to the nearest integer, do not include decimals. ...

MATH 302 WEEK 5 QUIZ – QUESTION AND ANSWERS Question 1 1 / 1 point A researcher would like to estimate the proportion of all children that have been diagnosed with Autism Spectrum Disorder (ASD) in their county. They are using 97% confidence level and the CDC national estimate that 1 in 68 ≈ 0.0147 children are diagnosed with ASD. What sample size should the researcher use to get a margin of error to be within 1.5%? Round up to the nearest integer, do not include decimals. Answer ___30...

MATH 302 WEEK 5 QUIZ – QUESTION AND ANSWERS/MATH 302 WEEK 5 QUIZ – QUESTION AND ANSWERS

A researcher would like to estimate the proportion of all children that have been diagnosed with Autism Spectrum Disorder (ASD) in their county. They are using 97% confidence level and the CDC national estimate that 1 in 68 ? 0.0147 children are diagnosed with ASD. What sample size should the researcher use to get a margin of error to be within 1.5%? Round up to the nearest integer, do not include decimals. Answer 303 The population standard deviation for the height of college basketball play...

MATH 302 Week 5 Quiz with Answers Part 1 of 4 – Z-interval for Unknown Questions A researcher would like to estimate the proportion of all children that have been diagnosed with Autism Spectrum Disorder (ASD) in their county. They are using 97% confidence level and the CDC national estimate that 1 in 68 ? 0.0147 children are diagnosed with ASD. What sample size should the researcher use to get a margin of error to be within 1.5%? Round up to the nearest integer, do not include decimals. ...

MATH 302 Week 5 Quiz - Question and Answers Question 1 1 / 1 point A researcher would like to estimate the proportion of all children that have been diagnosed with Autism Spectrum Disorder (ASD) in their county. They are using 97% confidence level and the CDC national estimate that 1 in 68 ≈ 0.0147 children are diagnosed with ASD. What sample size should the researcher use to get a margin of error to be within 1.5%? Round up to the nearest integer, do not include decimals. Answer Que...