Probability Question

Q: A large national study finds that 10% of pregnant women deliver prematurely. A local obstetrician is...

A: Given: Probability of women deliver prematurely is, p=10%=0.1. Number of pregnant women is, n=16. ...

Q: In contract negotiations between a local government agency and its workers, it is estimated that the...

A: Let E be the chance of an agreement will be reached on the salaries of the workers. F be the event o...

Q: Three balls are drawn at random without replacement from a box containing 2 white, 3red and 4 black ...

A: Given data: Total number of balls drawn = 3 Balls are drawn at random with out replacement from a bo...

Q: Suppose that in Melbourne, on a certain day, N lottery tickets are sold and M win, with M/N very sma...

A: To find :  The number of tickets should be purchased . 

Q: Suppose that for a given computer salesperson, the probability distribution of x = the number of sys...

A: The data of number of system sold by the sales person in one month is, x 1 2 3 4 5 6 7 8 P(x) ...

Q: What is the probability of selecting a red marble from a bag containing 8 red marbles, 10 blue marbl...

A: Here we need to find the probability of selecting a red marble from the bag.

Q: (a). Let A and B be two events. Suppose that the probability that neither event occurs is 3/8. What ...

A: If there are n mutually exclusive, exhaustive and equally likely outcomes of a random experiment and...

Q: ACTIVITY J: Simple Linear Regression and Correlation1. A college bookstore must order books two mont...

A: Given data: Number of students registered=X, The number of books actually sold for a course=Y 

Q: There were 12 pink, 7 purple and 9 yellow flowers in a vase. You randomly choose a flower from the v...

A: Given, Pink flowers = 12 Purple flowers = 7 Yellow flowers = 9 Total  number of flowers = 12 + 7 + 9...

Q: What is the probability that passing grade?

A: Given: To find: 1).Probability of choosing female got pass marks 2).Probability of choosing  male s...

Q: Two Cards are drawn from a deck of 52 cards. If the first is not replaced, calculate the probability...

A: There are 4 jack and 4 queen respectively in the deck of 52 cards. 

Q: Directions: Analyze and solve the following problems carefully. Problem 1 The Vice-President of ABC ...

A: It is given that the variable X represents the number of credit cards that each person own. The dist...

Q: 7) Suppose that the number of accidents occurring on a highway each day is a Poisson random variable...

A: Given, λ=3 For poisson distribution: P(x)=e-λλxx!

Q: The compressive strength of samples of cement can be modeled by a normal distribution with a mean of...

A: Given: Mean (µ) = 6000 Standard deviation (σ) = 100 X~N (148.6, 47.9)

Q: Brian likes to wear colored shirts. He has 10 shirts in the closet. Three of these are blue, four ar...

A: Given, 10 shirts are there Blue color =3 Red color=4 To find the probability of wear a blue or a red...

Q: You have 3 tops: green, white, and yellow. You have 2 pairs of pants: blue and black. You have 2 pai...

A: Given data: The numbers tops are T=3. The numbers pants are P=2. The numbers of shoes are S=2.  

Q: i need help

A: Given that X and Y are continuous random variables with the joint pdf fX, Y(x, y)=xe-x2with 0<x&l...

Q: A researcher wanted to test whether people tended to trust people who smiled more than people who di...

A: Number of pairings of photos = 48  Claim is people tend to trust people who smiled more than people ...

Q: 36% of the children in a school have a dog, 24% have a cat, and 12% have a dog and a cat.What percen...

A: The percent of those who have a cat also have a dog is, PDog|Cat=PDog ∩ CatPCat=0.120.24=0.5×100%=50...

Q: A pizza can be ordered with your choice of one of 4 different meats or no meat. You also have a choi...

A: Solution :  Here we have given that, 4 different meats or no meat. that means we have 5 type of meat...

Q: If a person is randomly selected determine the following probability provide the condition: p(trig/m...

A: