4 years ago

Ivanna drove 504 miles in 8 hours.

1 answer:

5 0

This should be 4020 correct me if I’m wrong

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Sladkaya [172]

The mean and standard deviation of number who find their jobs stressful are 7.44 and 1.6814 respectively.

Given,

number of workers chosen , n=12

percentage of respondents =62%

from given data the calculation are done according to binomial distribution,

then,

probability of respondents , $p=\frac{62}{100}=0.62$

a)calculating mean,

$\mu=n*p\\\\\mu=12*0.62\\\\\mu=7.44$

b)calculating standard deviation,

$\sigma=\sqrt{n*p*(1-p)}\\\\\sigma=\sqrt{12*0.62*(1-0.62)}\\\\\sigma=\sqrt{7.44(0.38)}\\\\\sigma=\sqrt{2.8272}\\\\\sigma=1.6814$

Thus, the mean and standard deviation of number who find their jobs stressful are 7.44 and 1.6814 respectively.

To learn more about binomial distribution refer here

#SPJ4

8 0

1 year ago

horrorfan [7]

You ran 10 km in the evening.In my opinion

6 0

3 years ago

Kryger [21]

Surface Area of Cube = width^2 * 6 (sides of the cube)

Therefore, (3.5)^2 * 6 =

73.5 [whatever units]^2

4 0

3 years ago

katovenus [111]

C.infinitely many solutions

3 0

3 years ago

marta [7]

Answer:

Hope this is correct

5 0

3 years ago