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Monica [59]
3 years ago
5

If A and B are independent events, then it must be true that P(BIA) = P(A).

Mathematics
1 answer:
Maksim231197 [3]3 years ago
5 0

Answer:

  B.  False

Step-by-step explanation:

For independent events, it must be true that ...

  P(B|A) = P(B)

__

The probability of B does not depend on A. That is what makes them independent.

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Indirect Proof help! WILL MEDAL
Charra [1.4K]
The area of the rectangle:
A = Length x Width = JK x KL = 36 cm²
If JK ≥ 4 cm, we have to prove that KL ≤ 9 cm.
Answer:
Assume that a. KL > 9 cm.
Then the area of rectangle JKLM is greater than b. 36 cm²,
which contradicts the given information that c. side is at least 4 cm long.
So the assumption must be false. Therefore, d. KL ≤ 9 cm.
4 0
3 years ago
If one pound is $4.40 how much is 3/8's of a pound?
baherus [9]

Answer:

1.65

Step-by-step explanation:

you said one pound is $4.40

and that how much is 3/8 of a pound

so 3/8 multiplied by 4.40

8 0
2 years ago
Read 2 more answers
Data consistent with summary quantities in the article "Effects of Fast-Food Consumption on Energy Intake and Diet Quality Among
Olegator [25]

Answer:

a) X[bar]₁=  1839.20 cal

b) X[bar]₂= 1779.07 cal

c) S₁= 386.35 cal

Step-by-step explanation:

Hello!

You have two independent samples,

Sample 1: n₁= 15 children that did not eat fast food.

Sample 2: n₂= 15 children that ate fast food.

The study variables are:

X₁: Calorie consumption of a kid that does not eat fast food in one day.

X₂: Calorie consumprion of a kid that eats fast food in one day.

a)

The point estimate of the population mean is the sample mean

X[bar]₁= (∑X₁/n₁) = (27588/15)= 1839.20 cal

b)

X[bar]₂= (∑X₂/n₂)= (26686/15)= 1779.07 cal

c)

To calculate the sample standard deiation, you have to calculate the sample variance first:

S₁²= \frac{1}{n_1-1}[∑X₁² - (( ∑X₁)²/n₁)]= \frac{1}{14} + [52829538 - (\frac{27588^{2} }{15}) = 149263.4571 cal²

S₁= 386.35 cal

I hope it helps!

7 0
3 years ago
Mr.price flew 4,908 from New York then he flew 3525 miles from Hawaii to Texas how much farther was mr.price trip from New York
alexandr1967 [171]
yes yes i agree completely thats the snswet answer* 25 a b c d 46:77 77/55
4 0
2 years ago
Parallelograms geometry acellus pls help
Mamont248 [21]

Answer:

x = 60

Step-by-step explanation:

Recall: one of the properties of a parallelogram is that consecutive angles are supplementary. This means they add up to given 180°

2x and x are consecutive angles. Therefore:

2x + x = 180

3x = 180

Divide both sides by 3

3x/3 = 180/3

x = 60

4 0
2 years ago
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