Find the p-value based on a standard normal distribution for each of the followi

Question

Find the p-value based on a standard normal distribution for each of the following standardized test statistics. (a)2 =-1.06 for a left tail test for a mean Round your answer to three decimal places. p-value= the absoute tolerance is +-0.01 NKTO TEXT (b)2 = 4.19 for a right tail test for a proportion Round your answer to four deimal places. p-value= the absolute tolerance is +-0.01 UNK TO TEXT (c) Z =-1.56 for a two-tailed test for a difference in means Round your answer to four decimal places p-value the absolute tolerance is +-0.01

Explanation / Answer

(a) z = -1.06 for a left-tail

p-value = P(z = -1.06)

= 0.1445

(b) z = 4.19 for a right tail

p-value = 1 - P(z = 4.19)

= 1 - 0.9999

= 0.0001

(c) z = -1.56 for a two-tailed

p-value = 2 * P(z = -1.56)

= 2 * 0.0593

= 0.1186

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