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zhenek [66]
2 years ago
10

I WILL GIVE BRAINLIEST

Mathematics
1 answer:
adelina 88 [10]2 years ago
4 0

Answer: 2x - 1 (+x) =19

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I need help! do i subtract the 45-64? or add!?
Len [333]

Answer:

19°

Step-by-step explanation:

180-64=116

116+45=161

180-161=19

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2 years ago
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M2 -5m - 24 pls answer my questions<br>​
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Answer:

(m+3) (m-8)

Step-by-step explanation:

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Repartir 310 nueces entre tres personas de modo que la segunda reciba 20 menos que la primera y 40 mas que la tercera
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2

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3 years ago
0.8 times x is less than 0.6
suter [353]

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3 years ago
Suppose that the walking step lengths of adult males are normally distributed with a mean of 2.5 feet and a standard deviation o
Hitman42 [59]

Answer:

0.0668 = 6.68% probability that an individual man’s step length is less than 1.9 feet.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Normally distributed with a mean of 2.5 feet and a standard deviation of 0.4 feet.

This means that \mu = 2.5, \sigma = 0.4

Find the probability that an individual man’s step length is less than 1.9 feet.

This is the p-value of Z when X = 1.9. So

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

Z = \frac{1.9 - 2.5}{0.4}

Z = -1.5

Z = -1.5 has a p-value of 0.0668

0.0668 = 6.68% probability that an individual man’s step length is less than 1.9 feet.

3 0
2 years ago
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