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
Mathematics, 21.06.2019 14:40
3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6
Answers: 3
Mathematics, 21.06.2019 17:20
Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant
Answers: 2
A poll of 2032 randomly selected adults showed that 92% of them own cell phones. The technology disp...
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