Arrival at a self-service gasoline station average 15 vehicles per hour. a)Suppose the attendant leave the service booth 10 mins. What is the probability that i. no one arrives...

Arrival at a self-service gasoline station average 15 vehicles per hour. a)Suppose the attendant leave the service booth 10 mins. What is the probability that i. no one arrives...

Statistics chapter 4 The mean number of oil tankers at a port city is eight per day. Find the probability that the number of oil tankers on any given day is exactly 8? more than 3? Less than 2...

It is 7th grade math.

A moment-generating function of X is given by M(t) = (0.25 + 0.75et)4. (a) Find the values of μ and σ2 for X. (b) Calculate P(1 ≤ X ≤ 2).

Among the 16 applicants for a job, 10 have university degrees. A sample of 3 applicants are to be randomly chosen for interviews. Let X be the number of applicants in the sample who have university...

A bag contains 5 coins, one of which has a head on both sides while the other 4 coins are normal. A coin is chosen at random from the bag and tossed 2 times. The number of heads obtained is a random...

In a certain community, 8 percent of all adults over 50 years old have diabetes. If a health service in this community correctly diagnoses 95 percent of all persons with diabetes as having the disease...

Find the probability that among six randomly selected people exactly four of them have brown eyes

I don't understand how to solve this problem and I want to fully understand it for my upcoming test

you are the quality control manager of a series of assembly line operations that produce small car parts. From historical records you realize that the chance of producing a defective part is 4%. It...

A bag contains 28 blue marbles and 12 red marbles. If Milton removes two marbles without replacing them, what is the probability that the first marble will be blue and the second one will be red?...

A gardener has 9 tulip, 7 daffodil and 5 crocus bulbs to plant. If he selects 3 bulbs at random to sow what is the probability he sows: i. 2 tulips and a daffodil? ii. 3 of the...

Hey there, I'd like to receive some insight in the following problem. A bus starts having k students in it and it stops by N stations/stops. a. Create the probability space for...

We choose 10 random cards from a normal deck of cards(52 cards). What is the probability that we get: a. 0 aces b. maximum 3 aces c. at least 1 ace and at least one face card

Twelve of the top 20 finishers in the 2009 PGA Championship at Hazeltine National Golf Club in Chaska, Minnesota, used a Titleist brand golf ball. Suppose the results are representative of the probability...

can someone please help me with this question I really don't get this topic at all?

a lady has 6 red socks and 8 yellow socks in a drawer unpaired. In the dark , she pulls out 2 socks, one after the other without replacement . What Is the probability that the lady took out 2 socks...

in a election, candidate A received 10% of the vote, candidate B received 64%, and candidate C received 26%. For a random group of 30 people, find the probability that 8 voted A, 17 voted B, and 5...

What is the probability exactly one of the three audited had a charitable deduction of more than $1,000? (Round your answer to 4 decimal places.) What is the probability at least one...

With 6 sides on, say, 3 dice, I have 216 combinations. ** Three 6's, 1 possibility: 666 ** Two 6's, 15 possibilities: 665 664 663 662 661 656 655... etc ** One 6: 75 possibilities:...

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