Multiple Choice
In a sample of 23 iPhones, 10 had over 83 apps downloaded. Construct a 90% confidence interval for the population proportion of all iPhones that obtain over 83 apps. Assume z0.05 = 1.645.
A) 0.43± 0.17
B) 0.43± 0.08
C) 0.27± 0.16
D) 0.27± 0.17
Correct Answer:
Verified
Correct Answer:
Verified
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