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3 years ago

Use the expression 5(6 + 4x) to answer the following:

1 answer:

7 0

A. 5 and 2 are the factors. The first term, 5 is a prime number and thus the only factor in that term. The factor of the (6+4x) expression is 2, as it is a common divisor of 6 and 4.
B. 1 term in each factor
C. 4 is the coefficient of the variable term

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The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift.

garik1379 [7]

Answer:

The probability that X is less than 32 minutes is 0.736.

Step-by-step explanation:

Given : The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift. If X has an average value of 24 minutes.

To find : What is the probability that X is less than 32 minutes?

Solution :

If X has an average value of 24 minutes.

i.e. $\lambda=24$

The random variable X is exponentially distributed, where X represents the time it takes for a person to choose a birthday gift.

The exponentially function is $\frac{1}{\lambda}e^{-\frac{x}{\lambda}}$

The function form according to question is

$f(x)=\{\frac{1}{24}e^{-\frac{x}{24}}, x>0\}$

The probability that X is less than 32 minutes is

$P[x$

Therefore, the probability that X is less than 32 minutes is 0.736.

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Answer:

Step-by-step explanation:

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