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3 years ago

15

A population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this population. the

standard deviation of the sampling distribution of sample mean equals:

1 answer:

krok68 [10]3 years ago

3 0

Theirs alot of people in this world so watch out.

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melamori03 [73]

Answer:

$100

Step-by-step explanation:

40x30=1200

1200/12=100

7 0

3 years ago

Which type of triangle can be formed with sides measuring 8 inches 8 inches and 3inches

lisabon 2012 [21]

An isosceles triangle. This triangle has 2 sides that are equal.

4 0

3 years ago

The following formula models the number of prison inmates, P, in thousands, who are in U.S prisons x years after 1980.

MariettaO [177]

2X^2+22x+318=1270
2x^2+22x-952=0
x^2+11x-476=0
(x+28)(x-17)=0
x=17

7 0

2 years ago

Trini rode her bike 12 miles on Friday. She rode 14 miles on Saturday and 15 miles on Sunday. How many miles did she ride in all

loris [4]

Answer: 41

Step-by-step explanation:

12+14+15= 41

4 0

1 year ago

Product A is an 8-oz. bottle of cough medicine that sells for$1.36. Product B is a 16- oz. bottle of cough medicine that costs $

Arada [10]

Answer:

The $3.20 one

Step-by-step explanation:

The $3.20 one is cheaper because you get more.

6 0

3 years ago