r doesn't want to waste any of discounted slots and therefore allows 175 people to reserve for the discounted slots available (exp ere to view page 1 of the standard normal distribution table. ere to view page 2 of the standard normal distribution table. bability that more people than the available slots will show up in the course is to four decimal places including any zeros.)

Q: Derive the variance of the Student's t distribution using the definition Var (X) = ELX²] - Ex)²

A: t distribution: Let us assume X is a random variable following standard normal distribution and Y is…

Q: Suppose that X is a normal random variable with mea nd variance o2, where o2 is known and u is…

A: From the given information, The random variable X is a normal random variable with mean μ and…

Q: Suppose serious sleep deprivation (SSD) refers to a student who has no more than 6 hours of sleep…

A: The SSD refers to students who have no more than 6 hours of sleep.  The proportion of 25% are being…

Q: If one score is randomly selected from a normal distribution with µ = 90 and σ = 20, the probability…

A: We have given that  The score is randomly selected from a normal distribution with µ = 90 and σ =…

Q: The time that a randomly chosen passenger waits for a local train between downtown Los Angeles…

A: Hey there! Thank you for posting the question.  Since you have posted a question with multiple…

Q: Suppose the random variable Z follows a standard normal distribution. Then the probability is 0.20…

A: From the given information,PZ<z=0.2

Q: If Y Poisson(2) and Z Poisson(3) are independent, what is distribution of W = Y + Z?

A: Solution: Given  Y~Poisson(2)    and  Z~Poisson(3)   Y and Z are independent random variable

Q: art 5 Write a conclusion that addresses the test that the toat will land with the buttered side down…

A: Given that  n=45 , X=19 X=buttered toast will land the buttered side down p=50%

Q: .A coin is tossed 410 times. Use the normal curve approximation to find the probability of obtaining…

A: Comments: As per our company guidelines we are supposed to answer only one question. Kndly repost…

Q: It is appropriate to use A Normal approximation for a Binomial distribution with n3D20 and p3D0.4.

A:

Q: Let H be the discrete r.v. that represents the number of heads obtained when a fair coin is flipped…

A: Let H be the discrete r.v. that represents the number of heads obtained when a fair coin is flipped…

Q: Let H be the discrete r.v. that represents the number of heads obtained when a fair coin is flipped…

A: It is given that, H be the discrete random variable that represents the number of head obtained when…

Q: If the probability of defective bolt is 0.1, find (a) the mean and standard deviation for the…

A:

Q: A coin is tossed 400 times. Use the normal curve approximation to find the probability of obtaining…

A: Here probability of head = probability of tail = 0.5 n = 400 We have to find by normal approximation…

Q: claim that buttered toast will land with the buttered side down 50​% of the time.   H0​: p ▼…

A: Given that  Sample size n =45 Favorable cases x =19 Sample proportion p^=x/n  =19/45 =0.4222 NOTE:-…

Q: A fabric manufacturer believes that the proportion of orders for raw material arriving late is p =…

A: Given: The proportion of orders for raw material arriving late is p=0.6. The number of sample orders…

Q: It is appropriate to use A Normal approximation for a Binomial distribution with n-15 and p=0.2. O…

A:

Q: According to the report about the survey performed by Company XYZ that 60% of the people think that…

A: The given scenario follows binomial distribution as the sample size is large, np and nq are also…

Q: Suppose that a random variable z has a standard normal distribution. Use a standard normal table…

A: From the given information, the probability of standard normal variate z lies between –0.67 and…

Q: Hello. Can this problem be explained to me? Thanks.

A: Given X berandom variable with  uniform distribution on [100 200]The mean of the distribution =…

Q: A Mann-Whitney U Test should be utilized when ____________. A. Testing if two independent samples…

A: Mann Whitney u test is a counter part of the U test. It is a non parametric test. it is also known…

Q: It has been found that 15% of international flights per day from an airport experience some form of…

A: Given that p=15%=0.15 n=85 Standard Error: SE=p1-pn     =0.15(1-0.15)85    =0.0387

Q: Suppose only 40% of all drivers in a certain state regularly wear seatbelts. A random sampleof 400…

A: Given,n=400p=0.40mean(μ)=npμ=400×0.40=160standard deviation(σ)=np(1-p)σ=400×0.40(1-0.40)σ=9.79796

Q: Suppose that a random variable z has a standard normal distribution. Use a standard normal table…

A:

Q: Each of two pesticide brands is applied to 100 containers of fire ants. Brand1 killed all ants in 65…

A: Assumptions:Each brand is independent of other.The sample size of each brand is large.The samples…

Q: When desiring to use the normal distribution process to approximate a binomial distribution problem:…

A:

Q: After being rejected for employment, Kim Kelly learns that the Bellevue Credit Company has hired…

A: X~Binom(n ,p)

Q: Each of two pesticide brands is applied to 100 containers of fire ants. Brand1 killed all ants in 65…

A: The test for two proportions to compare the two brands using MINITAB software is given…

Q: A television show conducted an experiment to study what happens when buttered toast is dropped on…

A: Given that  Sample size n =45 Favorable cases x =21 Sample proportion p^=x/n  =21/45 =0.4667

Q: Suppose that 60% of college students own a smart phone manufactured by Apple. If a random sample of…

A: Given: Prob. that students own smartphones, p=0.60 Sample size, n=200

Q: The hourly wage for a regular student job is uniformly distributed between £7/hour and £17/hour. If…

A: Solution

Q: Suppose that X has a Pareto distribution with a = 1.5 and 0 = 20, 000. Determine the mean excess…

A: Given : α = 1.5 θ = 20000 To find mean excess loss at 15000

Q: Between 185 and 201 heads Exactly 205 heads More than 227 heads

A:

Q: The market share of Master Card within all credit card holders in the USA is 36%. A random sample of…

A: as per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: 16% of the squirrels in Cititon Park are gray. What is the probability that, in a random sample of…

A:

Q: For the purposes of constructing modified boxplots, outliers are defined as data values that are…

A:

Q: In Europe, 53% of the flowers of the Rewardless Orchid, Dactylorhiza sambucina, are yellow, whereas…

A: It has been given that 53% of the flowers of the reward less Orchid, Dactylorhiza sambucina, are…

Q: After being rejected for employment, Kim Kelly learns that the Bellevue Credit Company has hired…

A: Obtain the probability of getting three or fewer women when 20 people are hired. The probability of…

Q: Suppose that half of all students (50%) in campus dormitories are dissatisfied with the food…

A: n = 64 p = 0.5

Q: The time to wait for a drive through order at Mcdonald's is uniformly distributed between 5 and 12…

A:

Q: 16% of the squirrels in Cititon Park are gray. What is the probability that, in a random sample of…

A:

Q: the highest grade for Florida oranges is U.S. Fancy and is based principally on color. Suppose that…

A: Given Data: n=44 p=0.4 Mean=44*0.4=17.6 SD=sqrt(44*0.4*0.6)=3.25   Using binomial to normal…

Q: U.S internet users spend an average of 18.3 hours a week online. If 99% of users spend between 10…

A: From the provided information, Mean (µ) = 18.3 Let standard deviation be σ. X~N (18.3, σ)

Q: Last month, your company sold 1,000 new watches. Past experience indicates that the probability that…

A:

Q: Assume now that the lengths of iron bars are normally distributed. Use the CDF of Standard Normal…

A:

Q: Find Mode and Skewness of x2-distribution.

A: ANSWER: For the given data,

Q: A bartender calculates that every night she works, she has a 60% chance of earning more than $275 in…

A: Given: A bartender chances of earning more than $275 in tips is 60%, that is, p = 0.6. Number of…

Q: Customers arrive at Wholefoods independently at an average rate of 5 per minute. In any given what…

A:

Q: Given that x has a Poisson distribution withµ= 2, what is the probability that x = 5 P(5) = (Round…

A: Given information- We have given the problem of Poisson distribution. Mean, µ = 2 X = Poisson random…

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.