or the following question, type the solutions to each part of the question in the space provided at the bottom of the question. Make sure you label each part of the question very carefully: Are phone calls equally likely to occur any day of the week? The day of the week for each of 490 randomly selected phone calls was observed. The results are displayed in the table below.  Use an α = 0.01 significance level. Frequencies of Phone Calls for Each Day of the Week Outcome Frequency Sunday 51 Monday 71 Tuesday 75 Wednesday 77 Thursday 91 Friday 47 Saturday 78

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For the following question, type the solutions to each part of the question in the space provided at the bottom of the question. Make sure you label each part of the question very carefully:

Are phone calls equally likely to occur any day of the week? The day of the week for each of 490 randomly selected phone calls was observed. The results are displayed in the table below.  Use an α = 0.01 significance level.

Frequencies of Phone Calls for Each Day of the Week

Outcome Frequency
Sunday 51
Monday 71
Tuesday 75
Wednesday 77
Thursday 91
Friday 47
Saturday 78

Complete the test by doing the following:

a. Write the null and alternative hypotheses

b. Determine the test statistic and the number of degrees of freedom

c. Determine the p-value

d. State the conclusion in the context of the problem. 

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