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netineya [11]
2 years ago
11

In a survey conducted by a polling​ company, 1100 adult americans were asked how many hours they worked in the previous week. ba

sed on the​ results, a​ 95% confidence interval for the mean number of hours worked had a lower bound of 42.7 and an upper bound of 44.5. provide two recommendations for decreasing the margin of error of the interval. select all that apply.
a. decrease the sample size.
b. use fewer degrees of freedom.
c. decrease the confidence level.
d. decrease the standard deviation of hours worked.
e. increase the confidence level. f. increase the sample size
Mathematics
1 answer:
Nina [5.8K]2 years ago
5 0
Let me deem them cheeks clap hun
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kogti [31]
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Answer:

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Step-by-step explanation:

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sweet-ann [11.9K]

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Step-by-step explanation:

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3 years ago
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Find the GCD (or HCF) of numerator and denominator

GCD of 18 and 20 is 2

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the perimeter of a rectangle is 68ft the ratio of the length to the width iss 9:8 what are the dimensions of the rectangle
NikAS [45]

Answer:


Step-by-step explanation:

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Since the perimeter is 68  

9x + 9x + 8x + 8x = 68

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