3 years ago

Pleaseee help i’m stressing!! i’ll give you those little crown things

Mathematics

1 answer:

lubasha [3.4K]3 years ago

5 0

Answer:

4.4 mm

Step-by-step explanation:

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A survey measures the motivation, attitudes, and study habits of freshman in college. Freshmans’ scores on this survey range fro

MrRissso [65]

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Option A) 0.0074

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 110

Sample mean, $\bar{x}$ = 20

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Alpha, α = 0.05

Population standard deviation, σ = 115.35

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 110\\H_A: \mu \neq 110$

We use two-tailed z test to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

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Thus, the correct answer is

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