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hichkok12 [17]
2 years ago
12

You record the number of sunny days out of a sample of 90 randomly selected days in city a and city b. in city a's sample there

were 54 sunny days. in city b sample there were 63 sunny days.
Is City B significantly sunnier than City A? use a significance level of 0.05
Mathematics
1 answer:
Sergio039 [100]2 years ago
6 0

The significance level shows that z approximately equals 1.41 for a p-value of 0.078642.

<h3>How to calculate the p-value?</h3>

Based on the complete question, the sample proportion for city A will be:

= 54/90 = 0.60

The sample proportion for city B will be:

= 63/90 = 0.70

Using the table given, it can be deduced that the test statistic value will be 1.41. Therefore, the p-value will be 0.078652 in the Excel function.

Since the p-value is greater than 0.05, then we fail to reject the null hypothesis that there is no difference in the commute time.

Learn more about significance level on:

brainly.com/question/4599596

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