2 years ago

Nud,es for yall some yall desperate so here

Mathematics

2 answers:

koban [17]2 years ago

8 0

What the heck is that 0-0

Yuri [45]2 years ago

5 0

Answer:

Step-by-step explanation:

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 (6 pts) The average age of CEOs is 56 years. Assume the variable is normally distributed. If the SD is four years, find the pr

Alenkinab [10]

Answer:

The probability that the age of a randomly selected CEO will be between 50 and 55 years old is 0.334.

Step-by-step explanation:

We have a normal distribution with mean=56 years and s.d.=4 years.

We have to calculate the probability that a randomly selected CEO have an age between 50 and 55.

We have to calculate the z-value for 50 and 55.

For x=50:

$z=\frac{x-\mu}{\sigma}=\frac{50-56}{4}=\frac{-6}{4}= -1.5$

For x=55:

$z=\frac{x-\mu}{\sigma}=\frac{55-56}{4}=\frac{-1}{4}=-0.25$

The probability of being between 50 and 55 years is equal to the difference between the probability of being under 55 years and the probability of being under 50 years:

$P(50$

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3 years ago

J is building a treehouse. He wants the treehouse to be 3 meters long. If j builds 50 centimeters. Each dayhow many days will it

Allushta [10]

50 cm = 1/2 m
3 m ÷ 1/2 m = 6

It will take him six days.

3 0

3 years ago

two one dollar bills are exchanged for 14 coins all of which are either quarters or dimes. how many dimes were in the exchange

natta225 [31]

10 dimes

The $2 are exchanged for 10 dimes and 4 quarters, which make 14 coins total.

7 0

2 years ago

Read 2 more answers

What is the expanded form is 5.2684

jek_recluse [69]

The answer is 5+0.2+0.06+0.008+0.0004

4 0

3 years ago

Find CD if C(0,3) and D(4,7)

weeeeeb [17]

$C(0,3) \\
x_1=0 \\
y_1=3 \\ \\
D(4,7) \\
x_2=4 \\
y_2=7 \\ \\
\overset{\underline{\ \ \ \ }}{CD} =\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(4-0)^2+(7-3)^2}= \\
=\sqrt{4^2+4^2}=\sqrt{16+16}=\sqrt{16 \times 2}=4\sqrt{2} \\ \\
\boxed{\overset{\underline{\ \ \ \ }}{CD} = 4\sqrt{2}}$

7 0

3 years ago