Daniel a long jumper claims that his jump distance is less

Last updated: 8/23/2023

Daniel a long jumper claims that his jump distance is less than 15 feet on average Several of his teammates do not believe him so he decides to do a hypothesis test at a 10 significance level to persuade them He makes 11 jumps The mean distance of the sample jumps is 14 2 feet Daniel knows from experience that the standard deviation for his jump distance is 1 7 feet Ho 15 Ha 15 a 0 1 significance level What is the test statistic z score of this one mean hypothesis test rounded to two decimal places Provide your answer below