In a café, the manager wishes to estimate p, the proportion of customers who will order sandwich for their lunch. Suppose 30 out of 300 customers will order sandwich for their lunch. Find the probability that more than 40 customers will order sandwich for their lunch by using a suitable approximation

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Q: A bar of length l is broken into three pieces at two random spots. What is the probability that the…

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Q: Find the smallest value of n that the probability of guessing at least n correct answers is less…

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Q: According to a Gallup poll, pepperoni is the favorite pizza topping for 31% of American children. If…

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Q: Suppose that X2 points is normally distributed with n = 200 and p = 0.4. Approximate the probability…

A: Given that  n=200 , p=0.4

Q: Suppose a life insurance company sells a ​$280,000 ​one-year term life insurance policy to a…

A: The probability that the female not survives is, PNot survives=1-Psurvives=1-0.999606=0.000394 The…

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Q: the probability that 50 randomly selected light cigarettes from this company will have a total…

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Q: Based on the first table, enter the value of b, the expected number of widowed women who live in the…

A: Given:       Widowed Divorced Separated No longer in a visiting relationship Total Location…

Q: What is the probability that a randomly selected American adult has never been tested? Show work.…

A: From the given information, N(NT)=134,767 and N(T)=77,789.

Q: At a pizza restaurant, the probability that a customer will order pizza is 0.9 and the probability…

A: Conditional probability : The probability of event B given that the event A has already occurred is…

Q: Calculate the probability that someone likes exactly one of them given that they like at least one.…

A: Here from given table and venn diagram there are total 48 people In survey

Q: Suppose the commuting time from North Bay to Barrie varies uniformly from 135 min to 180 min. What…

A: GivenA random variable x~Uniform(135,180)f(x)=1180-135f(x)=145     ; 135≤x≤180and cumulative…

Q: Suppose the time it takes for Sandy to run one kilometer is uniformly distributed from 360 seconds…

A: Let X be the time it takes for Sandy to run one kilometer is uniformly distributed from 360 seconds…

Q: In a genetics experiment on​ peas, one sample of offspring contained 434 green peas and 24 yellow…

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Q: An engine encounters a standard environment with a probability of 0.9, and a severe environment with…

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Q: The probability is 1% that an electrical connector that is kept dry fails during the warranty period…

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Q: d) Use Poisson approximation to find the probability that the sample contains at most 1defective…

A: Binomial Distribution: If we have n trials each having two outcomes, say Success and Failure, trials…

Q: A die is loaded in such a way that each odd number is twice as likely to occur as each even number.…

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Q: Consider three trials, each having the same probability of success. Let X denote the total number of…

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Q: Suppose the commuting time from north bay to Barrie varies uniformly from 135 min to 180min what is…

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Q: The distances travelled to work by the employees at a large company, D km, are normally distributed…

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Q: For next year, 49% of families will go on a vacation. If we pick a random sample of 5 families, find…

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Q: Suppose that X has a Poisson distribution with h = 80. Find the probability P(x is less than or…

A: Given, X ~ Poisson (λ = 80)   The probability mass funnction is given by: f(x, λ) = P (X = x) = λx…

Q: Find the probability that 3 of the customers in this sample will use their e-bank account for their…

A: Let p be the probability that a customer will use their e-bank account for their next transaction.…

Q: If the random variable X has uniform distribution on the interval [0, a], what is the probability…

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Q: Suppose that X is a random variable with E(X)=10, Var(X)=2. Using Chebyshev inequality, estimate the…

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Q: The probability of getting exactly x success is n trails is denoted by, P(X=x)=?

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Q: The United States Department of Agriculture (USDA) found that the proportion of young adults ages…

A: Solution : Given that : p = 0.238n = 500mean = np            = 500 × 0.238            = 119sd =…

Q: If a probability or 2 place decimal li ke area is found to be 0.77 or 2.59 0.8686, what is the z…

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Q: The time it takes me to wash the dishes is uniformly distributed between 6 minutes and 15 minutes.…

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Q: d. Assume that Google has designed its servers so there is probability 0.01 that the number of…

A: It is given that the mean is 2,800 and standard deviation is 860.

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Q: of 20%, what is the probability that the cost will be within the estimate?

A: here given  mean =  3  coefficient of variation  =  0.20

Q: (b) Find and interpret the probability that a randomly selected fertilized egg hatches in less than…

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Q: An agriculturist wants to find out the probability of growing trees more than 50 years. Given that u…

A: It is given that the mean is 30 and the standard deviation is 20.

Q: The United States Department of Agriculture (USDA) found that the proportion of young adults ages…

A: Population proportion: P=0.238 Sample size= n= 500 a) To find probability that number of…

Q: For 10 percent of the products in a category, a firm fails to satisfy all demand during themonth.…

A: Given: For 10 percent of the products in a category, a firm fails to satisfy all demand during…

Q: When two dice are rolled, what is the probability that the minimum value is 2? Answer to the nearest…

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Q: When using the central limit theorem for means with n = 60, it is not necessary to assume the…

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Q: When using the central limit theorem for means with n = 69, it is not necessary to assume the…

A: True.Central limit theorem:In the process of selecting a simple random samples of size n from a…

Q: Assume each newborn baby has a probability of approximately 0.49 of being female and 0.51 of being…

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Q: If X denotes the sum of the numbers obtained when 2 dice are thrown, obtain an upper bound for P{\X…

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Q: Calculate the probability that the contract was awarded to textile distributor K given that the…

A: P( K win the  contract ),PK=0.4 P( L win the  contract ),PL=0.3 P( M win the  contract ),PM=0.3 P( K…

Q: Suppose the times required for a cable company to fix cable problems in its customers' homes are…

A: It is given that a is 14 and b is 20.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.