A stock market analyst figures the probabilities that two related stocks, A and B, will go up in price. She finds the probability that A will go up to be 0.7 and the probability that both stocks will go up to be 0.2. What should be her estimate of the probability that stock B goes up, given that stock A goes up? (Enter your probability as a fraction.)

Q: A freshman college student experiences difficulties with malfunctioning alarm clocks. Instead of…

A: Given that,A freshman college student experiences difficulties with malfunctioning alarm clocks.…

Q: Given the probability that "she's up all night 'til the sun" OR "she's up all night for good fun" is…

A: Let us denote: she's up all night 'til the sun=N she's up all night for good fun=G Given that:

Q: Carl’s basketball shooting records indicate that for any frame, the probability that he will score…

A: Given that the probability that he will score in a two-point shoot is 30%, a three-point shoot is…

Q: A stockbroker believes that under present economic conditions, a customer will invest in tax-free…

A: Define the following events:   A: a person invest in tax free B: a person invest in mutual fund

Q: How many nurses have an advanced degree in the United States versus those in Canada? Here are some…

A: Given   United States Canada Total Advanced Degree 433 63 496 RN 2700 250 2950 Total 3133…

Q: A computer repair shop has estimated the probability that a computer sent to the shop has a bad…

A:

Q: Solve the problem that involves probabilities with events that are not mutually exclusive. An ice…

A: Let A be a set of n elements. To select r objects from a collection of n elements in the set A…

Q: Amy is trying to purchase concert tickets online for two of her favorite bands, the Leather…

A: Let us denote: A=Leather ReclinersB=Double Latte No FoamGiven that P(A)=0.14, P(B)=0.23, P(A and…

Q: If the probability of winning a game is 40%, Then what is the probability of losing 5 games in a row…

A:

Q: Convert the percentages to probabilities and make a hist 0.5 0.4 0.3 (X)

A: Given, a) Histogram :

Q: In a computer instant messaging survey, respondents were asked to choose the most fun way to flirt,…

A: Option (a) is right.

Q: A stockbroker believes that under present economic conditions, a customer will invest in tax-free…

A:

Q: In a certain animal species, the probabilitythat a healthy adult female will have no offspring in a…

A: Let X denote the no.of healthy adult female will have offspring The possible values of X is, 0, 1,…

Q: A computer repair shop has estimated the probability that a computer sent to the shop has a bad…

A:

Q: Joe will study for the quiz on which he is likely to do worse by guessing. Which quiz should he…

A: here use binomial theorem  Each trial is independent Finite number of trial There are two outcomes…

Q: A crime study for a geographic area showed an average of one home invasion per 40,000 homes. If an…

A: Let X be the random variable from Poisson distribution with (λ) = 60000*(1/40000) = 1.5 Then,  We…

Q: Given the probability that "she's up all night 'til the sun" OR "she's up all night for good fun" is…

A: Given, P("she's up all night 'til the sun" OR "she's up all night for good fun") = 0.45 P(she's up…

Q: In a computer instant messaging survey, respondents were asked to choose the most fun way to flirt,…

A:

Q: The weather forecast states that: • the probability that it rains on Saturday or not at all is 0.99,…

A: From the given information, the probability that it rains on Saturday or not at all is 0.99 That is,…

Q: From past experience, Anna knows that the probability that her friend will take her to dinner in…

A: Add 0.7 and 0.5 =0.7+0.5=1.2 Subtract 0.9 from 1.2 to obtain the probability that they will do both.…

Q: A stockbroker believes that under present economic conditions, a customer will invest in tax-free…

A: Union of Two Events: For any two events A and B, union of A and B, written as A∪B, is defined as the…

Q: Given the probability that "she's up all night 'til the sun" OR "she's up all night for good fun" is…

A:

Q: The probabilities that an adult man has high blood pressure and/or high cholesterol are shown in the…

A: a) The contingency table is given as follows:     Blood pressure       High OK…

Q: On any given weekend, the probability that John will go to the bar is 20%, whereas the probability…

A: Let us define some events A : John will go to the bar. B : John will go to hiking. It is given that…

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Given that 2 out of every 10 people who visit a local store purchase milk.  So the probability that…

Q: You randomly select 500 students and observe that 85 of them smoke. What is your estimate of the…

A: Given , Total student = 500 Number of student who smoke = 85 We have to find the probability that a…

Q: From past experience, Rebecca estimates that when she is on the college campus, the following…

A: GivenThe probability that Rebecca will study for her statistics exam is =65%P(Statistics)=0.65The…

Q: Given the probability that "she's up all night 'til the sun" OR "she's up all night for good fun" is…

A: Given data:   The given probability that she's up all night til the sun or she's up all night for…

Q: Alona suffers from a sleeping disorder, and therefore her chances of getting a good night’s sleep…

A: Define the events, A : Alona gets good night's sleep  B : Alona falls asleep in the class. Alona…

Q: Assuming the outcomes to be equally likely, find the probability that exactly one of the four…

A: Given:  There are 4 true false questions.

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: It is an application of probability distribution. Binomial distribution is the most basic discrete…

Q: A computer repair shop has estimated the probability that a computer sent to the shop has a bad…

A: Given data: The probability that a computer sends to the shop has a bad modem is P(m)=1/4. The…

Q: The average number of matches where the football matches of the Galatasaray football team were…

A:

Q: Under current economic circumstances, a stockbroker estimates that a client would invest in tax-free…

A: We have given that  P(A)=0.6 , P(B)=0.3 , P(A and B) Find  P(A' and B')

Q: The probabilities that an adult man has high blood pressure and/or high cholesterol are shown in the…

A:

Q: A commuter must pass through 5 traffic lights on her way to work each day, and will have to stop at…

A: Given:

Q: We know that the probability of Taylor Swift dying her hair bright pink is .50. Given that she has…

A: Answering ONLY ANSWER D as per your requirement.     C: Taylor Swift dyes her hair pink D: she is…

Q: Find the probabilities of the events: (a) {Y < 8- (2|X|/3)}, and (b) {Y < 8+ (2įX|/3)}. Compare the…

A:

Q: Given the probability that "she's up all night 'til the sun" OR "she's up all night for good fun" is…

A: Given that according to question  we can see that  P( A ∪ B ) = 0.37and P( B ) = 0.37P ( A ∩ B) =…

Q: Given the probability that "she's up all night 'til the sun" OR "she's up all night for good fun" is…

A: For two non-null events A and it is known that P(A or B) = P(A) + P(B) – P(A and B).

Q: On the average the traffic pattern at an intersection is as follows: • Twice as many cars go through…

A: Let us assume  The number of cars= c The number of vans= v The number of bicycles= b The number of…

Q: Out of 800 families with 4 children each, what percentage would be expected to have no girls? Assume…

A: From the provided information, There are 800 families with 4 children each. The probability of girl…

Q: In a tennis match, with the score at deuce, the game is won by the first player who gets a clear…

A: In a tennis match, with the score at deuce, the game is won by the first player who gets a clear…

Q: Assuming the outcomes to be equally likely, find the probability that exactly one of the four…

A:

Q: A (blindfolded) marksman finds that on the average he hits the target 4 times out of 5. If he fires…

A: The probability is given as probability=favourable outcometotal numbe rof outcome The probability…

Q: When a die is rolled twice, what is the probability that the 1st first throw will be a 3 and the 2nd…

A: Here  die is rolled twice Here by rolling die once  there are  1,2......6 outcomes are possible…

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Given that 2 out of every 10 people who visit a local store purchase milk.  So the probability that…