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)State the null and alternative hypothesis. B)What does the null hypothesis indicate about the proportions of service calls received each day? C) State the null and alternative hypothesis in terms of the expected proportions for each category.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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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)State the null and alternative hypothesis.

B)What does the null hypothesis indicate about the proportions of service calls received each day?

C) State the null and alternative hypothesis in terms of the expected proportions for each category.
 
 
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