You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly different from 0.7. Thus you are performing a two-tailed test. Your sample data produce the test statistic z = -1.361. Find the p-value accurate to 4 decimal places. P-value =

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Q: The mean points obtained in an aptitude examination is 188 points with a variance of 361. What is…

A: It is given that the mean is 188 and the variance is 361.

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A: given data μ = 1200σ = 60 normal distributionn = 64P(1200<x¯<1214) = ?

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Q: You are conducting a study to see if the probability of catching the flu this year is significantly…

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Q: If the t-statistic for a variable is -1.74, is the variable statistically significant?   No   Yes

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Q: isn't it should use the normal table to find z value?

A:

Q: Determine the p-value.

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Q: mandatory competency test for high school sophomores has a normal distribution with a mean of  425…

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A: Solution: From the given information, mean is 23.5, standard deviation is 3.5 and z-score is 0.43.

Q: In a test of significance, you can conclude there is a statistically significant relationship when:

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