Life on Other Planets Forty-seven percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed   100 randomly selected individuals and found 40 believed that there is life on other planets. At α=0.01, is there sufficient evidence to conclude that the percentage differs from 47%? Use the critical value method with tables. a) Find the critical value(s).= b) Compute the test value. z=

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A: The data set consist of 5000 observations. The observations are 0's and 1's. An amount of data…

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A: z-score for sample mean: From the given information,   n=16 µ=100 σ=32 x-bar=127   Therefore,

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A: Givenx1=29n1=99Hypothermia treatment group:-p1^=x1n1=2999=0.2929Control…

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A: Solution

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Q: 4, s = 0.3, n = 15 ‚š = 152, s = 5.5, n = 50 9, x = 30.2, s = 3.8, n = 4 S = 52. n = 70 %3D

A:

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.