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andrew-mc [135]
3 years ago
8

Last week, 66 employees at Wal-Mart called

Mathematics
2 answers:
Evgen [1.6K]3 years ago
6 0
66%
Turn the numbers into fractions then divide them to get your answer
givi [52]3 years ago
4 0

Answer:

66%

Step-by-step explanation:

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Which values are solutions to the inequality below?<br> Check all that apply.<br><br> √x &gt;8
lapo4ka [179]

Answer:

x > 64

therefore, 65 and 66 both apply

Step-by-step explanation:

\sqrt{x} > 8

square each side to get:

x > 64

8 0
3 years ago
For each ordered pair, determine wether it is a solution to y= -3x +5
Oksi-84 [34.3K]

Answer:

1.yes

2.no

3.yes

4.no

Step-by-step explanation:

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4 0
3 years ago
The weight of turkeys is normally distributed with a mean of 22 pounds and a standard deviation of 5 pounds. a. Find the probabi
Masja [62]

Answer:

a. 0.443

b. 0.023

Step-by-step explanation:

Problems of normal distributions can be 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. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

The weight of turkeys is normally distributed with a mean of 22 pounds and a standard deviation of 5 pounds.

This means that \mu = 22, \sigma = 5

a. Find the probability that a randomly selected turkey weighs between 20 and 26 pounds.

This is the pvalue of Z when X = 26 subtracted by the pvalue of Z when X = 20. So

X = 26

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

Z = \frac{26 - 22}{5}

Z = 0.8

Z = 0.8 has a pvalue of 0.788

X = 20

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

Z = \frac{20 - 22}{5}

Z = -0.4

Z = -0.4 has a pvalue of 0.345

0.788 - 0.345 = 0.443

The answer is 0.443

b. Find the probability that a randomly selected turkey weighs below 12 pounds.

This is the pvalue of Z when X = 12. So

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

Z = \frac{12 - 22}{5}

Z = -2

Z = -2 has a pvalue of 0.023

The answer is 0.023.

8 0
3 years ago
Which sentence is incorrect? A. -4 &gt; -7 B. 5/2 = 2.5 C. -2.5&lt;-3 D. 2/5 = -0.4
Ket [755]

Answer:

C -2.5<-3

Step-by-step explanation:

since -3 is lower counting wise with negatives the higher the negative the number the more likely its going to be lesser than the other

3 0
3 years ago
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During a snow storm, 7.2 inches of snow fell in 4 hours. How many inches fell each hour? *
lana66690 [7]
1.2 inches of snow fell per hour, 7.2/4=1.2
8 0
3 years ago
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