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nevsk [136]
3 years ago
5

Suppose that J and K are points on the number line.

Mathematics
1 answer:
V125BC [204]3 years ago
5 0
K could either be a 16 or -24
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A population of values has a normal distribution with μ = 155.4 and σ = 49.5 . You intend to draw a random sample of size n = 24
xz_007 [3.2K]

Answer:

(a) The probability that a single randomly selected value lies between 158.6 and 159.2 is 0.004.

(b) The probability that a sample mean is between 158.6 and 159.2 is 0.0411.

Step-by-step explanation:

Let the random variable <em>X</em> follow a Normal distribution with parameters <em>μ</em> = 155.4 and <em>σ</em> = 49.5.

(a)

Compute the probability that a single randomly selected value lies between 158.6 and 159.2 as follows:

P(158.6 < X

*Use a standard normal table.

Thus, the probability that a single randomly selected value lies between 158.6 and 159.2 is 0.004.

(b)

A sample of <em>n</em> = 246 is selected.

Compute the probability that a sample mean is between 158.6 and 159.2 as follows:

P(158.6 < \bar X

*Use a standard normal table.

Thus, the probability that a sample mean is between 158.6 and 159.2 is 0.0411.

4 0
3 years ago
Read 2 more answers
Rwqeewrtwewteytry433ertetweweew44trew5532523523532twettruerwetwewe
Leokris [45]

Answer:

what is this

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Solve for v pls thanks
Ksivusya [100]

Answer:

v = 18

Step-by-step explanation:

8/3v = 48

were going to have to get 3 on the other side, so were going to cancel it out and multipliy it because it is a fraction

now we would have 8v = 48*3

48*3=144

now the equation looks like this 8v = 144

to isolate v we can divide 8 on both sides

which brings us to v = 18

High Hopes^^

Barry-

7 0
3 years ago
What is (12 − 4) − (6 ÷ 2) − (2 x 2) =
Tanya [424]

Answer:

1

Step-by-step explanation:

(12-4) - (6/2) - (2 x 2)

(8) - (3) - (4)

1

First you solve the expressions in the perenthesis, then solve the final part

Hope this helps!

:)

5 0
2 years ago
I came up with 4 let me know if that's right
Anastasy [175]
Are you doing FLVS? IF so I need hep
7 0
3 years ago
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