A salesperson's monthly expenses (in thousands of dollars) are exponentially distributed, with an average of 2.75 (thousand dollars). a. give the probability density function for the expenses. b. find the probability that the expenses are more than $4,000.

Step-by-step explanation:

Given that a salesperson's monthly expenses (in thousands of dollars) are exponentially distributed, with an average of 2.75 (thousand dollars).

Hence pdf of X is

a)

b)  

Almost negligible.

answer:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21  

-7 + ? = 21

-7 + 28 = 21

hope it

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