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german
4 years ago
7

A simple random sample of 30 students was selected from a normally distributed population of high

Mathematics
2 answers:
Fynjy0 [20]4 years ago
6 0

Answer:

90% confidence

99% confidence

95%confidence

Step-by-step explanation:

Then next is between 7.0 and 9.0 hours of sleep

Galina-37 [17]4 years ago
5 0

Answer:

Between 7.3 and 8.7 hours of sleep: 90% confindence level

Between 7.0 and 9.0 hours of sleep: 99% confindence level

Between 7.2 and 8.8 hours of sleep: 95% confindence level

Second Part: between 7.0 and 9.0 hours of sleep

Step-by-step explanation:

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Factor the expression into an equivalent form. ab^2 - b
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Answer:

ab² - b = b(ab -1)

Step-by-step explanation:

The variable b is common to both terms here.  Thus,

ab² - b = b(ab -1)

8 0
3 years ago
Find the percent of the number. 120% of 33 is?
WINSTONCH [101]

Answer:

39.6 = W

Step-by-step explanation:

Of means multiply and is means equals

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Change to decimal form

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3 years ago
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Jake owns stock in a high-tech firm. Each share is currently valued at $61 per share, which is 22% more than Jake paid to purcha
ratelena [41]

The price per share of the stock of the high-tech firm that was purchased by Jake is  $50.

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Percentage is a measure of frequency that calculates the fraction of an amount out of hundred.

What is the price per share of the stock purchased by Jake = current value / ( 1 + percentage increase)

61 / 1.22 = $50

To learn more about percentages, please check: brainly.com/question/25764815

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3 0
2 years ago
1/4 of a carton of 12 eggs to make an omelet how many did she use ?
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3 eggs is 1/4 of 12 hope this helps :)
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3 years ago
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I need help on this homework
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Answer:

the answer is 16

Step-by-step explanation:

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3 years ago
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