2 years ago

Find each sum or difference -1/2+1/3 please help quickly

Mathematics

1 answer:

klasskru [66]2 years ago

4 0

Answer:sum: -1/6

Step-by-step explanation:

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According to a study done by De Anza students, the height for Asian adult males is normally distributed with an average of 66 in

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Answer:

The probability that the person is between 65 and 69 inches is 0.5403

Step-by-step explanation:

Mean height = $\mu = 66$

Standard deviation = $\sigma = 2.5$

We are supposed to find What is the probability that the person is between 65 and 69 inches i.e.P(65<x<69)

$Z=\frac{x-\mu}{\sigma}$

At x = 65

$Z=\frac{65-66}{2.5}$

Z=-0.4

Refer the z table for p value

P(x<65)=0.3446

At x = 69

$Z=\frac{69-66}{2.5}$

Z=1.2

P(x<69)=0.8849

So,P(65<x<69)=P(x<69)-P(x<65)=0.8849-0.3446=0.5403

Hence the probability that the person is between 65 and 69 inches is 0.5403

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marissa [1.9K]

Answer:

exactly 12 !

Step-by-step explanation:

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3/4 x 12 = 9

i hope this helped!!!!

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Which quadrilaterals always have two pairs of congruent opposite angles?

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