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S_A_V [24]
3 years ago
8

Every month, the bank withdraws $15

Mathematics
1 answer:
ehidna [41]3 years ago
6 0

Answer:

5 months

Step-by-step explanation:

Given :The bank withdraws $15  from Betsy’s checking account as a  service fee every month.

To Find :  Betsy has budgeted $75 for  the next few service fees. For how many  months will the service fee be covered?

Solution :

Since we are given that $15 is service fees for 1 month

So. $1 is service fee for month = \frac{1}{15}

So, $75 is service fee for months = \frac{75}{15}

                                                       = 5

Hence$75 service charge will be covered for 5 months .

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A survey found that women's heights are normally distributed with mean 62.7 in, and standard deviation 2.8 in. The survey also f
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Using the normal distribution, we have that:

The percentage of men who meet the height requirement is 3.06%. This suggests that the majority of employees at the park are females.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

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

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The mean and the standard deviation of men's heights are given as follows:

\mu = 69.3, \sigma = 3.9.

The proportion of men who meet the height requirement is is the <u>p-value of Z when X = 62 subtracted by the p-value of Z when X = 55</u>, hence:

X = 62:

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

Z = \frac{62 - 69.3}{3.9}

Z = -1.87

Z = -1.87 has a p-value of 0.0307.

X = 55:

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

Z = \frac{55 - 69.3}{3.9}

Z = -3.67

Z = -3.67 has a p-value of 0.0001.

0.0307 - 0.0001 = 0.0306 = 3.06%.

The percentage of men who meet the height requirement is 3.06%. This suggests that the majority of employees at the park are females.

More can be learned about the normal distribution at brainly.com/question/4079902

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