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3 years ago

Whats the product of 22 and 39?

Mathematics

2 answers:

8090 [49]3 years ago

8 0

You can set up the problem vertically like this

In which after solving the problem the answer would be 858

MArishka [77]3 years ago

4 0

858 is the answer I hope

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If 28% of students in College are near-sighted, the probability that in a randomly chosen group of 20 College students, exactly

cluponka [151]

Answer: (D) 16%

Step-by-step explanation:

Binomial probability formula :-

$P(x)=^nC_xp^x(1-p)^n-x$ , where n is the sample size , p is population proportion and P(x) is the probability of getting success in x trial.

Given : The proportion of students in College are near-sighted : p= 0.28

Sample size : n= 20

Then, the the probability that in a randomly chosen group of 20 College students, exactly 4 are near-sighted is given by :_

$P(x=4)=^{20}C_4(0.28)^4(1-0.28)^{20-4}\\\\=\dfrac{20!}{4!16!}(0.28)^4(0.72)^{16}\\\\=0.155326604912\approx0.16\%$

Hence, the probability that in a randomly chosen group of 20 College students, exactly 4 are near-sighted is closest to 16%.

7 0

3 years ago

Dane started running at half past three in the afternoon. He stopped running at ten minutes after four. How long did Dane run?

Tatiana [17]

He ran for 40 minutes!

4 0

3 years ago

Read 2 more answers

What is the solution for -6(1-5v)=54 ?

snow_tiger [21]

Isolate the variable by dividing each side by the factors that don't contain the variable

v=2

4 0

3 years ago

Read 2 more answers

I need help with this is this circumference or areas will mark you brainly if right

Pani-rosa [81]

The question is cut off, but here are the formulas for area and circumference:

A = pi * r^2
C = 2 * pi * r

6 0

3 years ago

4 consecutive integers add up to 34. Write an equation to find the numbers

Kisachek [45]

Answer:

$(n+(n+1)+(n+2)+(n+3))=34$

Step-by-step explanation:

$(n+(n+1)+(n+2)+(n+3))=34$

To make them consecutive, means they have to be one after the other.
You assume one of the numbers are n, to make the other integers consecutive you add 1 then 2 then 3.

4 0

2 years ago