3 years ago

HELP ME PLEASE IM BEGGING

Mathematics

2 answers:

agasfer [191]3 years ago

8 0

95 is the area
Hope this helps :p

PSYCHO15rus [73]3 years ago

3 0

Answer:

Step-by-step explanation:

what's the problem

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In order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is selected.

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Answer:

c. 60

Step-by-step explanation:

Given

$n = 61$ --- sample

$\bar x = 23$

Required

Determine the degrees of freedom (df)

This is calculated as:

$df = n - 1$

$df = 61 - 1$

$df = 60$

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3 years ago

Can someone solve this for me

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Answer:

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3 years ago

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Cross multiply: top of one side multiplied by bottom of other side:

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3 years ago

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