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OlgaM077 [116]
2 years ago
5

Good afternoon can anyone tell me the answer

Mathematics
1 answer:
frozen [14]2 years ago
7 0
(a,1)(a,2)(a,3)(a,4)(b,1)(b,2)(b,3)(b,4)
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15 = r -6 what does r equal
77julia77 [94]

Answer:

21-6=15

Step-by-step explanation:

3 0
2 years ago
The heights of women in the USA are normally distributed with a mean of 64 inches and a standard deviation of 3 inches.
Rainbow [258]

Answer:

(a) 0.2061

(b) 0.2514

(c) 0

Step-by-step explanation:

Let <em>X</em> denote the heights of women in the USA.

It is provided that <em>X</em> follows a normal distribution with a mean of 64 inches and a standard deviation of 3 inches.

(a)

Compute the probability that the sample mean is greater than 63 inches as follows:

P(\bar X>63)=P(\frac{\bar X-\mu}{\sigma/\sqrt{n}}>\frac{63-64}{3/\sqrt{6}})\\\\=P(Z>-0.82)\\\\=P(Z

Thus, the probability that the sample mean is greater than 63 inches is 0.2061.

(b)

Compute the probability that a randomly selected woman is taller than 66 inches as follows:

P(X>66)=P(\frac{X-\mu}{\sigma}>\frac{66-64}{3})\\\\=P(Z>0.67)\\\\=1-P(Z

Thus, the probability that a randomly selected woman is taller than 66 inches is 0.2514.

(c)

Compute the probability that the mean height of a random sample of 100 women is greater than 66 inches as follows:

P(\bar X>66)=P(\frac{\bar X-\mu}{\sigma/\sqrt{n}}>\frac{66-64}{3/\sqrt{100}})\\\\=P(Z>6.67)\\\\\ =0

Thus, the probability that the mean height of a random sample of 100 women is greater than 66 inches is 0.

8 0
3 years ago
If you apply the changes below to the absolute value parent function, f(x) = |x|, what is the equation of the new function?Shift
Jlenok [28]
Hi! Sorry if this is wrong, but I believe it would be f(x)= |x+5|-4. This is because it shifts to the left, so it is adding 5 to the x in the absolute value bars. And it shifting 4 units down would be negative. Hope this helps!
6 0
3 years ago
Read 2 more answers
Ethel Meyer sells wheelchairs. SHE EARNS AN 11 PERCENT COMMISSION ON THEE FIRST $5,000 AN 14 PERCENT ON ALL SALES OVER $5000.HOW
sergeinik [125]
Ok so Ethel starts off with 11% of $5,000 that is $550 of commission
and 14% on sales above 5,000  for 14,000 all of her commission would be 14% that means she would get $1,000 because 14% of 14,000 is 1,000
hope this helped.

4 0
3 years ago
Find the mode(s) of the data.<br><br> 3<br><br> 5<br><br> 8<br><br> 9<br><br> There is no mode.
xeze [42]
There is no mode....
8 0
3 years ago
Read 2 more answers
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