Mathematics, 14.04.2020 22:32 loanyst7513
A poll of 2032 randomly selected adults showed that 92% of them own cell phones. The technology display below results from a test of the claim that 93% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.05 significance level.
Test of p= 0.9 vs p≠0.9
Sample X N Sample p 95% Cl Z- Value P- value
1 1909 2032 0.919114 (0.907388, 0.930840) 2.90 0.004
a. Is the test two-tailed, left-tailed, or right-tailed?
1. Two-tailed test
2. Right tailed test
3. Left-tailed test
b. What is the test statistic?
Answers: 1
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A poll of 2032 randomly selected adults showed that 92% of them own cell phones. The technology disp...
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