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Mashcka [7]
3 years ago
13

What is 2 3/5 minus 1 1/7

Mathematics
2 answers:
docker41 [41]3 years ago
5 0
2 3/5-(1 1/7)= 51/35
= 1 16/35
tia_tia [17]3 years ago
4 0
Exact form: 51/35
<span>
</span>
Mixed Number Form: 
<span>1 16/35

H3Y was correct.</span>
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Setler [38]
£1.00= 100 cents, 100- 64 = 36.

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3 years ago
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Please do part A and part B on number 9!
Mashcka [7]

Answer:

A=5

B=4

Step-by-step explanatation

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Answer the question for a normal random variable x with mean μ and standard deviation σ specified below. (Round your answer to o
vladimir2022 [97]

Answer:

x = 63.6

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X and also the area to its left. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X, which is the area to its right.

In this problem, we have that:

\mu = 38, \sigma = 11

Find a value of x that has area 0.01 to its right

This is x when Z has a pvalue of 1-0.01 = 0.99. So it is X when Z = 2.3267.

Z = \frac{X - \mu}{\sigma}

2.3267 = \frac{X - 38}{11}

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So x = 63.6

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Step-by-step explanation:

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