3 years ago

I need help with this I will mark brainiest answer if it is correct please help

Mathematics

1 answer:

VARVARA [1.3K]3 years ago

7 0

Answer:

C=40030.17

Step-by-step explanation:

2 x pi x 6371 =40030.17 hope this is what you're looking for :)

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In a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted o

Maksim231197 [3]

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324

Step-by-step explanation:

given that in a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted of murder?"

i.e. Sample proportion $p=0.74\\q =1-p =0.26\\$

Margin of error = 4% = 0.04

Confidence level =90%

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Hence std error = $\frac{0.04}{1.645} \\=0.0243$

Std error is also equal to

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Sample size should be 324.

The formula is sample size = (Z critical value)^2 (pq)/(Margin of error )^2

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