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ale4655 [162]
3 years ago
8

Please help me out I just really hate math

Mathematics
1 answer:
Schach [20]3 years ago
5 0

If a person gets flat commission of $60 for every $200 of profit then for $1000 profit the commission would be $300. For $1500 the commission would be $450.

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Assume that​ women's heights are normally distributed with a mean given by mu equals 62.5 in​,and a standard deviation given by
Misha Larkins [42]

Answer:

(a) 0.5899

(b) 0.9166

Step-by-step explanation:

Let X be the random variable that represents the height of a woman. Then, X is normally distributed with  

\mu = 62.5 in

\sigma = 2.2 in

the normal probability density function is given by  

f(x) = \frac{1}{\sqrt{2\pi}2.2}\exp{-\frac{(x-62.5)^{2}}{2(2.2)^{2}}}, then

(a) P(X < 63) = \int\limits_{-\infty}^{63}f(x) dx = 0.5899

   (in the R statistical programming language) pnorm(63, mean = 62.5, sd = 2.2)

(b) We are seeking P(\bar{X} < 63) where n = 37. \bar{X} is normally distributed with mean 62.5 in and standard deviation 2.2/\sqrt{37}. So, the probability density function is given by

g(x) = \frac{1}{\sqrt{2\pi}\frac{2.2}{\sqrt{37}}}\exp{-\frac{(x-62.5)^{2}}{2(2.2/\sqrt{37})^{2}}}, and

P(\bar{X} < 63) = \int\limits_{-\infty}^{63}g(x)dx = 0.9166

(in the R statistical programming language) pnorm(63, mean = 62.5, sd = 2.2/sqrt(37))

You can use a table from a book to find the probabilities or a programming language like the R statistical programming language.

4 0
3 years ago
A skyscraper with 103 floors is 1133 feet tall each floor is the same height how tall is each floor
alukav5142 [94]
1133/103=11 ft per floor.
5 0
3 years ago
Read 2 more answers
What is the missing number in the solution to 958 ÷ 10?
Zolol [24]

Answer:

B.)58?

Step-by-step explanation:

Hope I helped..

3 0
3 years ago
Read 2 more answers
The hours Veronica spends studying must exceed 10, or she will lose her extra credit. Write an inequality to represent this situ
MAVERICK [17]

Answer:

Each day she must stay at 10 or more.

Step-by-step explanation:

In the drawing, put from Monday to Sunday, choose a value between 10 and 15 for each day and represent it.

7 0
3 years ago
Jo says she can find the percent equivalent of 3/4 by multiplying the percentage equivalent of 1/4 by 3. How can you use a perce
schepotkina [342]
You can by filling 1 out of 4 bars then multiply the shaded bars by 3<span />
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3 years ago
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