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vredina [299]
3 years ago
15

6 to the third power plus 5 (8+1/5

Mathematics
1 answer:
Pani-rosa [81]3 years ago
7 0

Answer:

The answer would be 257

Step-by-step explanation:

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The height, in inches, of a randomly chosen American woman is a normal random variable with mean μ = 64 and variance 2 = 7.84. (
Schach [20]

Answer:

Step-by-step explanation:

Given that the height in  inches, of a randomly chosen American woman is a normal random variable with mean μ = 64 and variance 2 = 7.84.

X is N(64, 2.8)

Or Z = \frac{x-64}{2.8}

a)  the probability that the height of a randomly chosen woman is between 59.8 and 68.2 inches.

=P(59.8

b) P(X\geq 59)\\= P(X\geq -1.78)\\ \\=0.9625

c) For 4 women to be height 260 inches is equivalent to

4x will be normal with mean (64*4) and std dev (2.8*4)

4x is N(266, 11.2)

P(4x>260)= \\P(Z\geq -0.53571)\\=0.7054

d) Z is N(0,1)

E(Z19) = P(Z>19)\\= 0.000

since normal distribution is maximum only between 3 std deviations form the mean on either side.

3 0
3 years ago
WHAT IS 1/2 + 3/4 PLZ ANSWER REALLY REALLY URGENT!!!!!!!!!!!!!
Gnesinka [82]

Answer:   it is 1.25

hope i helped

5 0
3 years ago
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Evaluate the expression 6÷3+17=​
charle [14.2K]

Answer:

=19

Step-by-step explanation:

=6÷3+17

=2+17

=19

8 0
3 years ago
Part C: Give an example of a situation in which a percentage is greater than 100%. (2 points)
insens350 [35]

Answer:

If your weekly allowance is 5, then for Christmas week your allowance was 15, then your allowance went up by: 5 =3 - 1 = 2 x 100 =200%.

6 0
3 years ago
What is a number written to the thousandths place that would relate to 417.91 using the = symbol?​
baherus [9]

Answer:

0.41791

Step-by-step explanation:

let x be the number written to the thousandth place then,

x times thousands = 417.91

or, x = 417.91/1000

therefore, x = 0.41791

and so

0.41791 thousand = 417.91

3 0
3 years ago
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