Mathematics, 20.09.2020 16:01 em387p3s1zr
A car service chain hopes to increase productivity and has set a goal of an average of at least 25 customers served per day across all their locations. To assess the success of the initiative, the company randomly checks the productivity of 50 locations finding a mean of 24.02 customers served and a standard deviation of 4.75 customers. To find out if there is statistical evidence that the company has failed to meet its goal, answer the following:
Required:
a. Write the appropriate hypotheses.
b. Are the necessary assumptions to perform inference satisfied? Explain.
c. Calculate the p-value.
d. Interpret the p-value you calculated in part (c) within the context of this problem.
e. What is your conclusion?
Answers: 2
Mathematics, 21.06.2019 18:50
The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave
Answers: 1
Mathematics, 21.06.2019 19:00
Which graph represents the parent function of y=(x+2)(x-2)
Answers: 1
A car service chain hopes to increase productivity and has set a goal of an average of at least 25 c...
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