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s344n2d4d5 [400]
3 years ago
9

Which statement implies that A and B are independent events?

Mathematics
1 answer:
Bogdan [553]3 years ago
3 0

The events A,B are independent if and only if P(A\cap B)=P(A)\cdot P(B). Under this condition, we have conditional probabilities

P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}=\dfrac{P(A)\cdot P(B)}{P(B)}=P(A)

P(B\mid A)=P(B)

so the answer is D.

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15% of 72 is ______​
BigorU [14]

Answer: convert 15% to a decimal. 0.15 times 75 is 11.25

Converting Percentages to Decimals

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Move the decimal: Another way to convert a quoted percentage to decimal format is to move the decimal two places to the left

6 0
3 years ago
the alabama river is 729 miles. if 1 mile equals 1.61 kilometers, find the length of the river to the nearest whole kilometer. (
Gekata [30.6K]
1 times 729=729 so

1mile=1.61kiloneter
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729 miles=1173.69 kilometer

whole
1173.6
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answer is 1174 kilometer
4 0
3 years ago
What is 26% as a fraction in simplest form?
Eddi Din [679]
26% is equal to

26/100

divide the numerator and denominator by 2

13/50= is your answer!

:)
4 0
3 years ago
Read 2 more answers
find the volume of the cylinder with the same radius and double the height when the radius is 5 and the height is 2​
Lostsunrise [7]

Answer:

100pi

Step-by-step explanation:

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8 0
3 years ago
Approximately 18% of the population of California is 70 years or older. In a random sample of 4, what is the provability for 3 o
Semmy [17]

Answer:

The correct response will be "0.01913".

Step-by-step explanation:

According to the question,

p - P(70 years or older)

= 0.18

n = 4

X = no. of individuals who are older than 70 years

Now,

∴ P(X=r)=n_C_r \ p^r(1-p)^{n-r}

∴ P(X=3)=4_C_3(0.18)^3(1-0.18)^{4-3}

                   =4\times (0.18)^3(0.82)^1

                   =0.01913

 

8 0
3 years ago
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