The average number of calls per minute received by a telephone switchboard is 120. What is the probability of receiving less than 4 calls in 2 seconds? OA. 0.4335 O B. 0.1334 OC.0.3354 OD.0.0335

Q: skittle on the second

A: Candies Blue 15 Orange 16 Yellow 12 Red 14 Green 5 Total candies are 62 Conditional…

Q: (a) What is the probability that a thickness is greater than 1.42 cm? (b) What thickness is exceeded…

A:

Q: What is the probability distribution if X~ B(3,0.82)?

A: Given: X~ B(3, 0.82)   Probability distribution is a function that describes the probability of all…

Q: (d) What is the approximate probability that the grade point average for 25 randomly chosen Math 118…

A: The study is about the grades in a math course.

Q: The weekly average number of airplane crashes is 5. Whatis the probability that there will be (a

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Q: A university administrator expects that 25% of students in a core course will receive an A. He looks…

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Q: aple of fifty college students, what is the probability that at least forty of them participate in a…

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Q: The table shows the educational attainment of 532 drivers per vehicle type. What is the probability…

A: There are totally 532 drivers in which 70 are college students, 80 are utility vehicles and 9 are…

Q: Nextel Directory Assistance has a tendency to give Wrong Answers 36% of the time, If you Request…

A: Let a random experiment be performed repeatedly, each repetition is called a trial. let the…

Q: c. What is the Z-score for a giraffe that is 21 foot tall? d. What is the probability that a…

A: Dear Student,  As per the guidelines, I can solve only the first 3 subparts. Kindly repost the…

Q: What is the process of solving the question below in excel? Suppose a manufacturing process results…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: d. What is the probability that more than 5 paint defective SUVS are produced?

A: Here Given  Proportion of Defective BMW =0.002=p And Total BMW produced =1000=n So Here  Production…

Q: Teens who Prefer Hard Copy Book vs eBook Hard Copy Enjoy Both eBook 22 14 26

A:

Q: About 8% of the U.S. population catches the flu each season. Assuming everyone has equal probability…

A: Given: About 8% of the U.S. population catches the flu each season.

Q: d. What type of object is most likely to be involved in a fatal collision? Select your answer - What…

A: d) From table we see that, number of collision due to shrubbery/ tree is maximum which is 2585.…

Q: When tossing a balanced coin seven times, the probability of getting three heads only is ?

A: Probability is given by: Number of Favourable outcomesNumber of Total outcomes  As it is a balanced…

Q: When rolling a pair of dice, what is the probability of getting a shm of 5?

A:

Q: If the computed z score is -2.33, determine the probability.

A: Explanation:Here given the z score  I find out the probability for computed z-score in step2

Q: If the odds of winning on a scratch-off lottery ticket are 17:2,834, what is the probability of…

A: From the provided information, The odds of winning on a scratch-off lottery ticket are 17:2834

Q: On average, five birds hit the Washington Monument and are killed each week. Bill Garcy, an official…

A: Five birds hit the Washington Monument and are killed on average, each week. Funds will be allocated…

Q: What is the probability of selling 15 cheesecakes in a given day? What is the probability of selling…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: d. What is the probability that average yield for 10 days is at most 800 tons? e. What is the…

A:

Q: 5. The Gallup Poll once asked an SRS of 1540 adults, "Do you happen to jog?" Suppose 15% of all…

A: We have to find probably using z table

Q: Use R to simulate the probability of getting at least one 8 in the sum of two dice rolls. -The…

A: *Answer:

Q: The probability of tossing a tail and then rolling a number greater than 6 is

A: Since , the coin is tossed and right-sided die numbered 1 through 8 is rolled. Our aim is to find…

Q: What is the probability of getting at least 2 incorrect answers? What is the probability of getting…

A: Here use binomial distribution

Q: A marble is selected at random from a jar containing 3 red marbles, 6 yellow marbles and 2 green…

A: Given that a marble is selected at random from a jar containing 3 red marbles , 6 yellow marbles and…

Q: What is the process to solve the following question below in excel? Suppose a manufacturing process…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: impact of caffeine consumption. Smoking alcohol consumption and physical activity on cardiovascular…

A: Given that,  40% of participants consume caffeine and smoke. 8 participants are evaluated. Here,…

Q: Every day at lunch, the Subway sandwich shop will use between zero and three gallons of guacamole.…

A: The amount of guacamole is equally likely means there is uniform distribution from 0 to 3 gallon,…

Q: a. What percentage of students scored less than 68? b. What is the probability that a student scored…

A: Let , X→N(μ=88 , σ=11) , n=2500 Our aim is to find the following : a) P(X<68) b) P(66<X<82)…

Q: 1) The number of cracks in a 105-km expressway is 30. What is the probability that there would be no…

A: Solution.

Q: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…

A: Given that, Probability = 0.57 Sample size, n = 6

Q: Suppose the probability of success is p=31%p=31%. What is the probability of 77 successes in 88…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: (a) How many percent of the tubes are classified as A Grade and B Grade respectively? (b) Find the…

A: Air ball trap, X ~ Poisson(1.5)  A grade = no air ball trapped.  B grade = 1 or 2 air balls trapped.

Q: Red Siver 21 36 160 33

A: We have to check

Q: Clare's Cupcakes recently sold 9 cupcakes, of which 3 were peanut butter cupcakes. What is the…

A: There are totally 9 cupcakes are sold in which 3 were peanut butter cupcakes.

Q: b. What percent of the discharges are between 7.6 ounces and 8.1 ounces? e. If customer buys a cup…

A: Given, Let  X be the percentage of discharge Average =μ=8Standard Deviation =σ=0.2X~N(μ,σ2)

Q: Find out the probability of getting a total of either 7 or 11 in a single roll of two dice?

A: Ans#- Given, Roll a dice twice then sample space                                           S   =…

Q: A company has 5 full-time employees and 10 part-time employees. The company president randomly…

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Q: I need to find the indicated probability for a Mean of 24, an SD of 4.2. P(x > 30)

A: Given info: Here, mean is µ=24 and standard deviation is σ=4.2.

Q: The probability that someone can taste PTC is 0.7. Suppose 20 people are randomly selected and…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

Q: On average, a textbook author makes three word-processing errors per page on the first draft of her…

A: Given The author makes three word processing error per page

Q: (d) What is the probability that between 32 and 52 of the children prefer whole-grain snacks? Draw…

A: Given, Sample size, n= 80 Proportion, p= 56% = 0.56 q= 1-p= 1-0.56 q= 0.44 Mean= np= 80*0.56= 44.8…

Q: n the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the park…

A: Let the random variable X denote the no. of guests who visit Yosemite National Park like to stay at…

Q: What is the probability that there would be no cracks in a particular 3-km section of the…

A: Let, X be the number of cracks in a 105-km expressway. Here , X has Poisson distribution with mean…

Q: (b) If a sample of 10 cups of ice cream is selected, what is the probability that the mean of the…

A: Given that :  x¯ = 670σ=35n=10μx¯ =660

Q: What is the probability of it raining, P(B), if it has started snowing? Report P(B), given that it…

A: From the given information, There is a 60% chance of snow. That is, P(A)=0.60 There is a chance of…

Q: (a) For the next shaft, what is the probability that its diameter is between 8.5 mm and 13.0 mm? (b)…

A: