Floretta a pitcher claims that her pitch speed is less than

Last updated: 8/22/2023

Floretta a pitcher claims that her pitch speed is less than 46 miles per hour on average Several of her teammates do not believe her so she decides to do a hypothesis test at a 5 significance level to persuade them She throws 24 pitches The mean speed of the sample pitches is 37 miles per hour Floretta knows from experience that the standard deviation for her pitch speed is 5 miles per hour Ho 46 H 46 0 05 significance level What is the test statistic z score of this one mean hypothesis test rounded to two decimal places Provide your answer below