Assume that events A and B can only occur during the first stage of an experiment, and events C and D can only occur during the second stage of the experiment. Pr[A]= 0.4, Pr[C l A]=0.48, and Pr=[D...
Assume that events A and B can only occur during the first stage of an experiment, and events C and D can only occur during the second stage of the experiment. Pr[A]= 0.4, Pr[C l A]=0.48, and Pr=[D...
An NBA player makes a successful free-throw 84% of the time. If he takes 7 shots, find the probability that he will make: a. exactly 5 shots b...
A) Find the probability that the first number is 3 given that the sum is 7. B) Find the probability that the first number is 3 given that the sum is 8. I'm not understanding...
A waitress believes the distribution of her tips has a model that is slightly skewed to the left?, with a mean of ?$10.40 and a standard deviation of ?$4.90. She usually waits on about 30 parties...
A biologist finds that 20% of fruit flies have short wings and 26% have eye defects. Assuming these two events are independent what is the probability that a randomly selected fruit fly has neither...
I need help as soon as possible...very lost and close to tears
The Centers for Disease Control estimates that 0.3% of Americans have aids. The HIV-1 tests correctly diagnose the presence of HIV in 95.5% of the persons who have it and correctly diagnose its absence...
A prisoner escapes from jail and randomly selects one of three roads leading away from the jail. Each road leads to one of the three cities Atlanta, Boston and Columbus. If he chooses the road to...
A person holds a two-tailed coin in one hand and a fair coin in the other. A hand is chosen at random and the coin is flipped. If tails shows, what is the probability that it is the two-tailed coin...
Given Pr[E]=0.46 and Pr(E U F)=0.6, determine Pr[F]. If E and F are disjoint events. If E and F are independent events.
The probability of a snowstorm on Thanksgiving is 0.22, and the probability of a snowstorm on Christmas is 0.65. Assuming that these two events are independent. What is the probability...
A test for colorblindness was conducted on 1,023 students in a high school. The results based on genders. Not Colorblind Female: 474 Male: 515 Colorblind Female:...
An unfair coin with Pr[H]=0.2 is flipped. If the flip results in heads, a student is selected at random from a class of 12 boys and 15 girls. Otherwise, a student from a different class containing...
Let E and F be events such that Pr[E]=0.5, Pr[F]= 0.53, and Pr[E intersect F]=0.24. Find. Pr(E l F complement) Pr(F l E complement)
Given independent events, A and B, such that Pr[A]=0.05 and Pr[B]=0.12. Determine Pr[A U B].
This problem is about probability and using combinations to find the probability of the event.
Predict the number of times she will roll double fives if she did the 108 times.
A deck of virtual cards (independent probability) has one of 8 letters (A,B,C,D,E,F,G or H) written on it., if I draw 5 cards what is the chance I will draw a combination of A, B & C or D,E &...
a computer controlling a critical process system must have continuous power. The main power source is supplied from the local utility via overhead power lines. The plant has a backup diesel generator...
Given Pr[A]=0.41, Pr[B]=0.37, and Pr[A U B]=0.5, Find Pr[A l B]