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In: Statistics and Probability

In recent years, there has been increasing concern about the health effects of computer terminals. It...

In recent years, there has been increasing concern about the health effects of computer terminals. It is known that the miscarriage rate under general conditions is about 20%. A random sample of 698 pregnant women working with a computer 1-20 hours per week was taken. For this sample, there were 155 miscarriages. To test the hypothesis whether short-term exposure (1 to -20 hours per week) to computer terminals increases the rate of miscarriages using the level of significance α = 0.10.

a. state the hypothesis

b. calculate the test statistic

c. find the P-Value

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Expert Solution

orchestra answered 2 years ago
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