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sveticcg [70]
2 years ago
11

What are the errors hggtdgdd

Mathematics
2 answers:
gogolik [260]2 years ago
5 0
The . Should go after the 7
Serjik [45]2 years ago
3 0

the decimal is supposed to be in between the 7 and 5 not the 5 and 6. so like this * 7.56*

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ASAPPP!!!!!
Sergio039 [100]

Answer:

185

Step-by-step explanation:

45 +70(2) = 185

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3 years ago
Somebody answer this for me please
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The third option.
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3 years ago
Hannah school hosted a book donation. There are 150 students at her school, and they donated a total of b books! Hannah donated
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Mr.Lopez had $75.00. He bought his wife a gift for $45.00. What percentage of his money did he spend on the gift for his wife?
omeli [17]
($45.00)/($75.00)=.6
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3 0
3 years ago
Lisa has collected data to find that the number of pages per book on a book shelf has a normal distribution. What is the probabi
aev [14]

Answer:

2.5% probability that a randomly selected book has fewer than 133 pages.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 189 pages

Standard deviation = 28 pages

What is the probability that a randomly selected book has fewer than 133 pages?

133 = 189 - 2*28

So 133 is two standard deviations below the mean.

The Empirical Rule states that 95% of the measures are within 2 standard deviations of the mean. The other 5% is more than two standard deviations distant from the mean. The normal distribution is symmetric, which means that of those 5%, 2.5% are more than 2 standard deviations below the mean and 2.5% are more than 2 standard deviations above the mean.

This means that there is a 2.5% probability that a randomly selected book has fewer than 133 pages.

3 0
3 years ago
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