Probability question

Probability question

If P(A)= 0.2, P(B)= 0.5 and P(AxB)= 0.1 Find P(A'+B)

Probability

When Laura and Michelle play in the hockey team, the probability that's Laura will score is 1/3 and that Michelle scores is 1/2. Find the probability that NEITHER will score in the next game....

Billy answers on average 5 questions right out of 7. Natasha's average is 5 questions out of 9. They both attempt the same problem. If the question is answered correctly, what is the probability that...

Billy answers on average 5 questions right out of 7. Natasha's average is 5 questions out of 9. They both attempt the same problem. If the question is answered correctly, what is the probability that...

Suppose that at an airport security checkpoint, 1 in 50 people are randomly selected for a search. If there are 33 people ahead of you in line, what is the probability that you will be the first one...

A standard pair of six-sided dice is rolled. What is the probability of rolling a sum less than or equal to 4?

Two hundred are taking French but not statistics, one hundred are taking statistics but not French, and another 50 are taking both French and statistics. If you pick a student at random, find the...

A loaded coin, with P(H)= 3/5 and P(T)=2/5 on each single toss, is tossed 6 times. Let E be the event that exactly 3 heads appeared in 6 tosses and F be the event that at least 2 heads appeared in...

need to find the formula for probability of a team with 12 players 3 have to sit on the bench how many combinations does the coach have show formula please

A radio disc jockey has 7 songs on this upcoming hour's playlist: 3 are rock songs, 2 are reggae songs, and 2 are country songs. The disc jockey randomly chooses the first song to play, and then she...

A science class has 7 girls and 5 boys in the seventh grade and 4 girls and 4 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition...

There are numbers from 1 to 2500. There are 625,000 people. What are the chances that 3 people pick the same 4 numbers? The order does not matter and the people cannot repeat.

How to you find this answer using a ti-84 calculator.

I know how to solve the normal distribution in terms of Below Between Two numbers And above the number But i don't know how to solve this with this kind of question.

Brett makes a putt about 65% of the time. What is the probabilty that brett's first miss will be on his 5th putt?

Suppose that U1,U2,..., are i.i.d Uniform[0,1] random variables, and let Sn=sum of ui, from i=1 to n. Define the random variable N by N=min{k:Sk>1}. 1. For t in [0,1], show that...

a random sample of n=9 scores is obtained from a normal population with μ=40 and σ=18. what is the probability that the sample mean will be greater than M=43?

It is estimated that 80% all twenty-year-old men have weights ranging from 140 to 150 lb. Assuming the weight distribution can be adequately modeled by a normal distribution with mean 145 lb and standard...

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