Mark wants to meet his friend Jeremy after School to ask him some questions about their Chemistry homework. On a typical school afternoon, Jeremy either goes to the park for some exercise or goes to the library to complete his homework. Jeremy has previously told Mark that he goes to the park two out of every five afternoons each school week. If Jeremy goes to the park, the probability that Mark will meet Jeremy in the park is 0.2. If Jeremy goes to the library, the probability that Mark will meet Jeremy in the library is 0.7. These scenarios are represented on the tree diagram below. meet park doesn't meet 0.7 meet 0.6 library< doesn't meet (a) Complete the tree diagram. (b) Find the probability that Mark will meet Jeremy that afternoon.

Q: There is a 30% chance of getting stuck in traffic when leaving the city. On two separate days, what…

A: given data There is a 30% chance of getting stuck in traffic when leaving the city. so p = 0.30

Q: If rain falls randomly with a 20% chance of rain on any given day, what is the probability that we…

A:

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: When shooting two free throws, if a Red Devil basketball player makes her first free throw, there is…

A:

Q: A salesman finds he can make one sale for every four calls he makes. If he makes five sales calls,…

A: Let, X=the number of sales he makes n=number of trials= 5 p=probability of success= 1/4=0.25 X…

Q: Two supermarkets serving the Northside area of San Antonio, H.E.D. and Walbart, are interested in…

A: Given, It is found that if a customer shopped at H.E.D. in a given week, the probability that the…

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: The guidance department has reported that of the senior class, 2.3% are members of key club, K, 8.6%…

A: Given that      P(K)  = 2.3%  = 2.3/100     P(P)    = 8.6%  = 8.6/100   P(K and P)  = 1.9%  =…

Q: Two students tell their professor that they missed an exam because they were diving into campus…

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: Finally expected loss

A:

Q: Recently, a nurse commented that when a patient calls the medical advice line claiming to have the…

A: The Solution is as follows,

Q: Presumably, each student writing this examination is doing so independently of all other students.…

A: Given: P(Tom answers correctly)=0.8 P(Dick answers correctly)=0.7 P(Harry answers correctly)=0.6

Q: How is the probability of a combination (HH, HT, or TT) related to probabilities of its components…

A: Given: A combination of two coin tosses (HH, HT, or TT). In a coin toss, the possible outcomes are:…

Q: James and Davis belong to the same basketball team.  After so many  3 – point attempts, James…

A:

Q: Anthony feels that he has a 75% chance of getting an A in Business statistics and a 55% chance of…

A: The probability that he gets A in at least one of the courses is P(A∪B)=P(A)+P(B)-P(A∩B)Here,…

Q: Suppose that an employee at a local company checks his watch and realizes that he has 10 minutes to…

A: Multiplication rule for independent events:If two events A and B are independent then the…

Q: Each time a shopper purchases a tube of toothpaste, he chooses either brand A or brand B. Suppose…

A:

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: According to the June issue of Consumer's Digest, census figures show that in 1978 almost 53% of all…

A: Obtain the probability that more than 600 people will consist of 1 or 2 people.   The probability…

Q: lichael wants to take French or Spanish, or both. But classes are closed, and he must apply and get…

A: Formula : P(A or B) = P(A) + P(B) - P(A and B)

Q: Michael wants to take French or Spanish, or both. But classes are closed, and he must apply and get…

A: GivenChance of being admitted to french = 50% P(french)=0.50=0.50chance of being admitted to spanish…

Q: In a one-off Dungeons and Dragons campaign, Himo would like to be the team leader. The prob- ability…

A: Let us define some events A : Naname is the Dungeon Master. B : Baron is the Dungeon Master. E :…

Q: A class of 20 juniors, 30 seniors, and 10 graduate students makes up an advanced physics class.…

A:

Q: In a music store, a manager found that the probabilities that a person buys 0, 1, or 2 or more CDs…

A: GIVEN DATA : Probabilities that the person buys 0, 1 or 2 or more CDs are 0.3, 0.6 and 0.1…

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

A: P( "she's up all night 'til the sun" OR "she's up all night for good fun") = 0.43 P("she's up all…

Q: It has been found that 1 out of every 10 people who visit a local store purchase cigarettes. If we…

A: Let the random variable X denote the number of visitors who visit a local store purchase cigarettes.…

Q: Tony is awaiting a delivery, but needs to jump in the shower. If the delivery is to come anytime…

A: The uniform distribution is, fx=1b-a      x∈a,b The random variable X is defined as delivery time.…

Q: A students is going to graduate from a business department of a university by the end of the…

A:

Q: A store specializing in mountain bikes is to open in one of two malls. If the first mall is​…

A: For mall 1 : Profit 825,000 -275,000  Probability 12 12   So the expected value…

Q: Each time a shopper purchases a tube of toothpaste, he either choose brand A or brand B. Suppose…

A: Since the probability of  purchase of any of the brands (i.e., "A" or "B") defines the probability…

Q: Michael wants to take French or Spanish, or both. But classes are closed, and he must apply and get…

A: X: Probability of being admitting in french class Y: Probability of being admitting in spanish class…

Q: A couple has two children, and the older child is a boy. If the probabilities of having a boy or a…

A:

Q: The twins, Nikki and Sean want to open a small convenience store. They have to decide whether to…

A: Note: All payoffs are in $000. As we can see from the decision tree below, the best decision is to…

Q: Jack wants to take Deep Learning or Spanish, or both this semester. He is applying for enrolment.…

A: Given,P(getting into a Deep Learning course)=0.50P(getting into a Spanish course)=0.40and P(Getting…

Q: As a promotional offer, a newly opened movie theatre is awarding 25% of their new patrons with a…

A: It is an important part of statistics. It is widely used.  Since the question has multiple sub parts…

Q: a) On a sunny day, what is the probability that Mason does not find a spot in Lot A?   (b) In a week…

A: Solution:   spot no spot sunny 0.7 0.3 rainy 0.4 0.6 a) as we can see from contigency…

Q: Zane is ordering a sundae at a restaurant, and the server tells him that he can have up to five…

A:

Q: Kevin is playing basketball with joy. Based on existing experience, kevin generally managed to make…

A: Given :-  Kevin is playing basketball with joy. Based on existing experience, kevin generally…

Q: Tom,Dick and Harry have three deck of cards.If each of them pick pne card from their own deck at…

A: Given,  Tom,dick and Harry have three deck of cards. Each of them pick one card from their won deck.…

Q: When shooting two free throws, if a Red Devil basketball player makes her first free throw, there is…

A: Given ,P(Second throw/first throw)=0.80P(second throw/first throw fails)=0.5P(first…

Q: Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan’s father and…

A:

Q: At the entrance to an online game, there are two games. The first game is programmed so that in 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 our way to work we encounter two traffic lights which operate independently of one another.  If…

A: On our way to work we encounter two traffic lights which operate independently of one another.

Q: If Johnny plays Russian Roulette twice, by spinning a revolver containing one bullet in one of the…

A: Probability of an event is computed by taking the ratio of number of favourable outcomes to total…

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…