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3 years ago

M= -(4+m)+2 solve for m

Mathematics

2 answers:

Allisa [31]3 years ago

8 0

Answer:

m = -1

Step-by-step explanation:

m = - (4 + m) + 2

m = -4 - m + 2

m = -2 - m

+m +m

2m = -2

/2 /2

m = -1

Hope this helps!

stiv31 [10]3 years ago

6 0

Answer:

m=-1

Step-by-step explanation:

m = - ( 4 + m ) + 2

m - 2 = - ( 4 + m )

m - 2 = - 4 - m

m + m = - 4 + 2

2 m = - 2

m = - (1/2)

m = - 1

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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

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(a)

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

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

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(b)

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(c)

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

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3 years ago

Pls help this is due before 11:59

Aleksandr [31]

Answer:

Step-by-step explanation:

232/4= 58

343/7= 49

58-49= 9

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3 years ago