A telephone company claims that the service calls which they receive are equally distributed among the five working days of the week. A survey of 111 randomly selected service calls was conducted. Is there enough evidence to refute the telephone company's claim that the number of service calls does not change from day-to-day? Days of the Week          Number of CallsMon                                        15Tue                                          21Wed                                         26Thu                                          31Fri                                            18 A) Find the expected value for the number of service calls received on Monday. Round your answer to two decimal places. B) Find the expected value for the number of service calls received on Thursday. Round your answer to two decimal places. C) Find the value of the test statistic. Round your answer to three decimal places. D)Find the degrees of freedom associated with the test statistic for this problem.

Question

A telephone company claims that the service calls which they receive are equally distributed among the five working days of the week. A survey of 111 randomly selected service calls was conducted. Is there enough evidence to refute the telephone company's claim that the number of service calls does not change from day-to-day?

Days of the Week          Number of Calls
Mon                                        15
Tue                                          21
Wed                                         26
Thu                                          31
Fri                                            18

A) Find the expected value for the number of service calls received on Monday. Round your answer to two decimal places.

B) Find the expected value for the number of service calls received on Thursday. Round your answer to two decimal places.

C) Find the value of the test statistic. Round your answer to three decimal places.

D)Find the degrees of freedom associated with the test statistic for this problem.

 
 
 

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