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4 years ago

When applying the special rule of addition for mutually exclusive events, the joint probability is _______.

Mathematics

1 answer:

sergejj [24]4 years ago

7 0

Answer:

"When applying the special rule of addition for mutually exclusive events, the joint probability is 0."

Step-by-step explanation:

Mutually exclusive events are those events that cannot occur at the same time.

That is, if events A and B are mutually exclusive then their joint probability is 0.

The addition rule of probability is:

P (A or B) = P (A) + P (B) - P (A and B)

If A and B are mutually exclusive then, P (A and B) = 0.

Thus, the complete statement is:

"When applying the special rule of addition for mutually exclusive events, the joint probability is 0."

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What fraction is closest to zero? 3/4, 1/3, -3/6, -5/8

o-na [289]

Answer:

1/3 is closest to zero.

Step-by-step explanation:

1/3 is closest to zero.

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3 years ago

In psychology, there is a particular Mental Development Index (MDI) used in the study of infants. The scores on the MDI have app

ivann1987 [24]

Answer:

0.1587

Step-by-step explanation:

Here, mean=μ=100 and standard deviation=σ=16.

We have to find P(average MDI scores of 64 children > 102)=P(xbar>102).

n=64

μxbar=μ=100

σxbar=σ/√n=16/√64=16/8=2

P(xbar>102)=P((xbar-μxbar)/σxbar>(102-100)/2)

P(xbar>102)=P(z>1)

P(xbar>102)=P(0<z<∞)-P(0<z<1)

P(xbar>102)=0.5-0.3413

P(xbar>102)=0.1587

Thus, the probability that the average is greater than 102 is 15.87%

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4 years ago

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julia-pushkina [17]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

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