a) Find the values of aa and bb. (b) Find the probability at least two students order groceries online in a week. (c) Find the expected number of students to order groceries online in a one quarter (12 weeks) for our class size of 130.

Q: At a coffee shop, the first 100 customers' orders were as follows. Small Medium Large Hot 5 48 22…

A: P ( small | hot ) = probability of getting small coffee given that it is hot coffee. P(Small | Hot)…

Q: The joint probability distribution of variables X and Y is shown in the table below, where X is the…

A: The given information is: PXY0,0=0.13 , PXY0,1=0.16 , PXY0,2=0.07PXY1,0=0.08 , PXY1,1=0.14 ,…

Q: Given (BSC) shown below, to transmit message of 1s and 0s, at the transmitter if p(m1) = 0.45, find:…

A: Problem can be solved using concept of conditional probability (Bayes theorem).

Q: A pharmacist receives a shipment of 22 botries of a drug and has 3 of the bottles tested.4 of the 22…

A: Obtain the probability that exactly 1 of these tested bottles is contaminated.   The probability…

Q: In a shoot out in a hockey competition, a player scores on 80% of his shots. a) What is the…

A: A random variable X~Geometric distribution(p=0.8)q=1-0.8=0.2

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A: we are given a table: we have to find the probability that a randomly chosen voter from the survey…

Q: Based on her experience, a professor knows that the probability distribution for X number of…

A: Consider the given information.

Q: The probability of event A, given that event B has occurred, can be found using Bayes’s Theorem. Use…

A: Given that, P(A) = 0.35 , P(A') = 0.65, P(B | A) = 0.1 andP(B | A') = 0.7

Q: The probability of event A, given that event B has occurred, can be found using Bayes's Theorem.

A: Bayes's Theorem is the theorem by which we get the conditional probability of an event. According to…

Q: After giving an exam to a group of students, the grades and gender are summarized below. Grades vs.…

A: The contingency table is given as follows:   A B C Row Total Male 6 11 4 21…

Q: Given that A and B are two independent events, find their joint probability for the following. P(A)…

A: Given: P(A) = 0.19 P(B) = 0.65

Q: Using the table below , answer the quistion Blood type Male Female A 12 2 B 5 0 AB 7 1…

A: Given data, Blood type Male Female Total A 12 2 14 B 5 0 5 AB 7…

Q: Motorists arrive at a Gulf gas station at the rate of two per minute during morning hours. a) What…

A:

Q: What is the probability that there is exactly one car during a cycle? Exactly one bus? y ue La…

A:

Q: The probability that at most 60 customers will order food after the ad was aired? The probability…

A:

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

A:

Q: Consider your answer in part (a). What is the probability that pˆD−pˆE is greater than the value…

A: Given,   In Population D: Population Proportion :Turtles have a shell length greater than 2 feet =…

Q: The Probability of an event E is defined as

A: We know that the probability of an event is defined as the ratio of the number of times that events…

Q: A1. b. In a town with 10,000 populations, they got a call to test a certain disease that has an…

A: Given : Total Population = 10,000 Incidence rate = 4% Therefore, Probability that the person has…

Q: It has been found from experience that an exclusive clothes shop makes an average of four sales…

A:

Q: d)  For which temperature is the probability 0.075 that it will be exceeded during one day?

A: d) The probability value is 0.075.

Q: The production operation of a mineral water company fills the bottles uniformly between 490 ml and…

A: We have to find out the given probability that a bottle will be between 495 ml to 505ml.

Q: At a coffee shop, the first 100 customers' orders were as follows. Small Medium Large Hot 48 22 Cold…

A:

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

A:

Q: c. Find the probability that a patient randomly selected from the study had cancer OR was on the…

A: (c )   Obtain the probability that a patient randomly selected from the study had cancer OR was on…

Q: Look at attachment

A: According to the general rule of probability: The total sum of probability should be 1 Therefore,…

Q: 17) Find the probability that when a gardener plants 20 seeds, she harvests 16 radishes given the…

A: n = 20 r = 16 p=0.7 q = 1-0.7 = 0.3 Distribution = Binomial

Q: - The table below shows the results of an experiment in which the spinner above was spun 50 times.…

A: The number of times to spin blue color is 18.

Q: It has been found that on average, nine shoppers enter a Shoprite supermarket in any given 15-minute…

A: The probability mass function of the Poisson distribution is given as follows:

Q: The probability that a randomly selected person from this sample used the Chrome browser is • The…

A: It is given that a random sample of computer users were asked which browser they primarily relied on…

Q: (d) Find the probability that the proportion of the sampled adults who drink coffee daily is between…

A:

Q: The theoretical probability of event E, denoted by_______ , is the________ divided by the_______.

A:

Q: The average number of calls per minute received by a telephone switchboard is 120. What is the…

A:

Q: Exercise 42 Barbara sends about 12 emails on an average 8-hour work day from 9am to 5pm. (1) What is…

A: Poisson distribution is a type of discrete probability distribution with a single parameter λ. It is…

Q: It has been found from experience that an average of six customers use the drive‐ through facility…

A:

Q: At a coffee shop, the first 100 customers' orders were as follows. Small Medium Large Hot 48 22 Cold…

A: Given :   small medium large Hot 5 48 22 cold 8 12 5

Q: The proportion of vehicles which drive above the speed limit on a freeway is 85%.  Suppose 100…

A:

Q: (a) What is the probability that x is within +$500 of the population mean if a sample of size 70 is…

A: here for part a and b  population  mean  = 51800 population standard deviation = 4000

Q: The odds against an event E occurring are 4 to 3. What is the probability that E will occur?

A: Odds against of event E=4:3, where 4-non occurred and 3-occured

Q: In a recent survey, 60% of the community favored building a health center in their neighborhood. If…

A: given that n =14,p=0.6, p(x=5)=?

Q: (c)Find the probability that more than 6.4% of the individuals in the sample of 115 hold multiple…

A: 6) It is given that p=0.17.

Q: It has been found from experience that an average of four customers use the drive- through…

A: Given: We have to find out answer of given question..

Q: (b) What is the probability of a patient waiting for more than 38 minutes? Determine the value of a…

A: Given : The waiting time at the doctor's office has a normal distribution with a mean of 35 minutes…

Q: (e) Find the probability that less than 69% of sampled adults drink coffee daily. The probability…

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: Using the information from the previous question, what is the probability of selecting a female…

A: For part 2 all given options are incorrect

Q: In order to start a particular board game, a player must roll a 1 or a 6. Show the probability…

A: From the given information, the player must roll a 1 or a 6. Consider, the standard dice with 6…

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: Based on a​ survey, assume that 37​% of consumers are comfortable having drones deliver their…

A: Given Information: 37​% of consumers are comfortable having drones deliver their purchases.