The ordinary hourly charge of jacks of all trades in the Denver domain is $84.00 with a standard deviation of $4.00. Expect that the hourly charges of the jacks of all trades in Denver are commonly scattered. In case an individual living in Denver calls a discretionary jack of all trades, what is the probability that the jack of all trades will charge at any rate $86.00 every hour. Express your answer as a decimal some place in the scope of 0 and 1, to the nearest 100th.

Each question on a different choice test has four alternatives. One of the choices is the correct answer, worth 6 centers, another choice isn't right yet simultaneously passes on fragmented credit of 4 centers, and the other two choices are worth 0 core interests.

If an understudy picks answers randomly, what is the ordinary assessment of their score for an issue?

centers

If the test has 90 requests, what is their ordinary score?

Use the duplication rule to calculate the probabilities of the large number of results recorded underneath.

Your auto rental association rents out 30 little vehicles, 23 excess vehicles, and 47 to some degree hurt "spending plan" vehicles. The little vehicles slow down 12% of the time, the excess vehicles slow down 9% of the time, and the "spending plan" vehicles slow down 60% of the time.

P(Small and isolates) =

P(Small and doesn't separate) =

P(Luxury and isolates) =

P(Luxury and doesn't separate) =

P(Budget and isolates) =

P(Budget and doesn't separate) =

As a component of its quality-control program, the PC game DVDs made by Starr Communications are presented to a last audit before shipment. An illustration of six DVDs is picked aimlessly from each piece of DVDs made, and the bundle is excused if the model contains at any rate one defective DVDs. If 2.5% of the DVDs made by Starr is flawed, find the probability that a shipment will be recognized. (Round your reaction to four decimal spots.)

answer isn't .8590

Find the mean, vacillation, and standard deviation of the unpredictable variable having the probability appointment given in the going with table. (Round your reactions to four decimal spots.)

Discretionary variable, x -3 -2 -1 0 1

P(X = x) 0.15 0.15 0.37 0.15 0.18

mean

change

standard deviation

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