1, 2 A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call can take , , , or hours. The different types of malfunctions occur at the same frequency. If required, round your answers to two decimal places. a. Develop a probability distribution for the duration of a service call.

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

77

step-by-step explanation:

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

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