Question

Bobby is on a tirade against strawberries. He found a fruit bowl which had 15 out of 45 strawberries. He believes this is an affront to his rule which says strawberries must be at 30%.This bowl has more! Does he have a right to believe the store is increasing the amount? The standard error for his study is .0683.

a) Create the Hypothesis Test for this scenario.

b) Find the test statistic for this study.

c) Draw a sketch for the normal curve. Show your center, test statistic, shading and p-value in your sketch

d) Make your statistical and practical conclusions for the study.

e) We want to create a confidence interval to support this Hypothesis study. To do this, first, find the critical value for the 98% confidence interval.

f) Find the 98% confidence interval. Show your calculations.

g) Does the confidence interval support your Hypothesis Test. Why or why not?

Answer 1