A random varlable is binomlally distributed with n= 16 and r= 40 The expected value and standard devlation of the varlables are Multiple Cholce 200 and 1.24 4.80 and 4 00 640 end 1.96 O 200 and 120

Q: The table below shows the number of hours per day 11 patients suffered from headaches before and…

A: a)The data related to the daily headache hours before therapy and after the therapy is given.It is…

Q: According to Nielsen Media Research 30% of televisions are tuned in to the NFL Monday Night Football…

A: Note: Thanks for posting the question, in subparts (b) and (c), “exactly 5 or the 15 televisions” is…

Q: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: Obtain the value of the mean. The value of the mean is obtained below: Let X denotes the random…

Q: Suppose z is a normal random variable. Find P ( Z > 1.84 ). Round your answer to four decimal…

A: Sketch the normal curve and shade the area to the right of z=1.84.

Q: Freshman 15 The term "Freshman 15" refers to the claim that college students typically gain 15 lb…

A: The objective of this question is to find the probability that a randomly selected male college…

Q: Use the normal approximation to the binomial distribution to find the probability that, out of 1500…

A: Assuming that the probability of vaccine effect on each individual to be p=0.8 then assuming X is…

Q: Suppose that in a randomly selected week, Raven learns approximately 12 new spelling words.  Let X…

A: Given that  X∼Poisson(λ=12)

Q: A random variable is binomially distributed with n= 16 and T= .40. The expected value and standard…

A: According to the given information, we have Sample size, n = 16 and Probability, π=0.40

Q: A count of a particular type of bacterium is taken over a series of 10 test. The numbers of positive…

A: The mean and variance of binomial is np and npq.

Q: Approximate the mean of the random variable X based on the simulation for 25 games. hits (Round to…

A: Given , the numbers of hits for 25 games in table, 0 0 1 1 0 5 4 3 0 1 2 2 1 2 3 1 1 1 1 1…

Q: Which normal distribution should we use to approximate this randomized dotplot?       A. N…

A: Mean = 0.0011 ≈0 st. dev. = 0.056

Q: A grocery store manager states the the weight of an apple in ounces follows an unknown distribution…

A: We have given that Mean(µ) = 7.5Standard deviations (σ) = 1.33

Q: Use the table in this document to record the frequency of each color. Then, compute the relative…

A: Given: n = 57 Formula Used: Relative frequency = Fn

Q: Given independent random variables with means and standard deviations as shown,     Mean SD X…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: use the normal distribution to approximate the following binomial probability. a product is…

A:

Q: Assume that hybridization experiments are conducted with peas having the property that for​…

A: Solution

Q: Suppose that Z is a normal random variable. Fine P(Z>1.91).

A: Solution:- from given information Suppose that Z is a normal random variable

Q: Find the following probability for the standard normal random variable z. e. P(z>0) f.…

A: Since the question has multiple subparts, as per the Bartleby policy, I will only solve first three…

Q: In a recent survey, approximately 90% of U.S. adults own a cell phone. Let's assume this can be…

A: Given Information :  In a recent study , approximately 90% of US adults own a cell phone . Lets…

Q: REM (rapid eye movement) sleep is sleep during which most dreams occur. Each night a person has both…

A: We have given that  Sample sizes n1=8 ,n2 =8 xbar1 = 2.9 , xbar2=2.00 Sigma1=0.6 ,sigma2=0.8 1%…

Q: If a random variable has the standard normal distribution, find the probability that it will take on…

A:

Q: Past records indicate that the probability of online retail orders that turn out to be fraudulent is…

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Q: Find the 6767 -th percentile for the standard normal random variable ZZ . The 6767 -th percentile…

A: given data  standard normal distribution Z~N(0,1) we have to find 67th percentile.

Q: Cars arrive at a tollbooth at a mean rate of 36 cars every 9 minutes according to a Poisson process.…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution-: We find,…

Q: Past records indicate that the probability of online retall orders that tum that turn out to be…

A: Given that  n=23 , p=0.07 , q=1-p=1-0.07=0.93 X~Binomial(n=23,p=0.07) X=Number of online retail…

Q: (iv) Based on your answers in parts (1)-(iii), will you reject or fail to reject the null…

A: Given : n1=11x¯1=2.9σ1=0.6n2=11x¯2=2.2σ2=0.7 level of significance is 1%