Given a grid with 15 sections, determine how many sections in the grid need to be shaded so the probability of a point chosen at random in the shaded area is exactly 0.8. Explain your reasoning...

Given a grid with 15 sections, determine how many sections in the grid need to be shaded so the probability of a point chosen at random in the shaded area is exactly 0.8. Explain your reasoning...

For a 2 coin toss experiment, what are the set of events that are statistically independent when you assume: a) equally likely outcomes b) not equally likely outcomes

Twenty percent of the shoes in a factory are black. One shoe is chosen and replaced. A second shoe is chosen and replaced. Then a third shoe is chosen. What is the probability that none of the shoes...

A jar contains 11 large red marbles, 4 small red marbles, 8 large blue marbles, and 6 small blue marbles. If a marble is chosen at random, which of the conditional probabilities is larger, P(red|large)...

I am sending out a survey to 1500 people. They will each have a unique identifier. The unique identifier is the first two letters of your mothers maiden name, the day you were born and the first two...

Readings on a thermometer are normally distributed with a mean of 0C° and a standard deviation of 1.00. What is the probability that a randomly selected thermometer reads: a...

Assume that adults have IQ scores that are normally distributed, with a mean of 105 and a standard deviation of 17. Find the probability that a randomly selected individual has an IQ between 70 and...

An elevator has a stated maximum capacity of 12 people or 2004 pounds. If 12 people have weights with a mean greater than (2004/12) = 167 pounds, the capacity will be exceeded. Assume that weights...

A basketball player makes 60% of the free throws attempted. The player shoots two consecutive free throws. You see the player make a free throw but dont know whether it was the first of the second...

Well I need help with these questions for a test.

For a 2 coin toss experiment, what are the set of events that are statistically independent when you assume: a) equally likely outcomes b) not equally likely outcomes c) What...

An insurance company sells a policy for $1000. Based on past data, an average of 1 in 100 policyholders will win a $20,000 claim on a policy, an average of 1 in 200 policyholders will win a $50,000...

You can buy a lottery ticket for $1000. The odds are as follows: 1 in 10 tickets will pay $500. 1 in 100 tickets will pay $1000. 1 in 1000 tickets will pay $200,000. 1 in 10,000...

Probability calculations – exactly one occurrence You are looking for a job. Eventually you get six interviews. In each case you are one of four final candidates for the respective job. Let us assume...

What is the difference between the C and P? The only thing I could think of is P stands for probability but no idea what C stands for. I believe it will be either B or C since there is only one way...

If events A and B are mutually exclusive events, each with non-zero probability, then which of the following is true: a. P(A ∩ B) = P(A) + P(B) b. P(A ∪ B) = P(A) + P(B) c...

Julio is playing a game with a standard 6-sided number cube. Every time he rolls an even number, he loses $3. Every time he rolls an odd number, he wins the amount of money showing on the face. Is...

In a club there are 10 women and 7 men. A committee of 6 women and 4 men is to be chosen. How many different possibilities are there?

You're at a clothing store that dyes your clothes while you wait. You get to pick from 4 pieces of clothing (shirt, pants, socks, or hat) and 3 colors (purple, blue, or orange). If you randomly pick...

1. Research from a big private university show that 7 out of 10 graduating seniors completed the major they intended when they enrolled at the school. What is the probability that a. a particular...