entify the incorrect statement below: ven the binomial distribution, X~ B(10, 0.4) There are 10 trials. The probability of a success in each trial is 0.4. The expected number of successes in 10 trials is 10. The variance of the number of successes in 10 trials is 2.4.

Q: ume that x has a normal distribution with a-26%. A random sample of 17 Australian bank has a sample…

A: The question is about hypothesis testingGiven :Population mean dividend yield (  ) = 6.5 %…

Q: Fourty six percent of the students in a class of 150 are planning to graduate school, Find the…

A: Answer: From the given data, Sample size(n) = 150 Forty six percent of the students are planning to…

Q: Take the formula Z = (X- u)/o, where u is the mean of the population, X is the value of the element,…

A: We have given that,  Z = (X - μ)/σ  what does calculate the above formula?

Q: You are testing the claim that the mean GPA of night students is different from the mean GPA of day…

A: The question is based on hypo. testing of a difference between two popl. means. Given data : GPA…

Q: Test the Variances. Assume both populations are normally distributed HA:0 > o (Claim) si = 5.7, s =…

A: Given : H0:σ12≤σ22H1:σ12>σ22   Claim s12=5.7  ,  s22=3.1n1=5  ,       n2=26α=0.01

Q: Derive the mean and variance of the t distribution.

A: Given that We have to derive the mean and variance of t distribution:

Q: Random variable X represents the number of successes in 35 Bernoulli trials. The probability of…

A: The following information has been given: X is a random variable represents the number of successes…

Q: The discrete random variable X is the number of students that show up for Professor Jones' office…

A: We have given that, X is a discrete random variable i.e. number of students.   The probability…

Q: the actual dose administered is normally distributed with mean μ mg and variance σ 2 = 2.6 mg2.

A: It is given that the actual dose administered is normally distributed with mean μ mg and variance σ…

Q: On average, a banana will last 7 days from the time it is purchased in the store to the time it is…

A:

Q: Test the claim that the samples come from populations with the same mean. Assume that the…

A: Note: Hey there! Thank you for the question. As it is not specified exactly how the three steps…

Q: Thirteen percent of U.S. employees who are late for work blame oversleeping. You randomly select…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: Consider throwing a die 20 times. Let X be the number of times th outcome is less than 3. Find the…

A: Given that  n=20  , p=2/6=1/3 , q=1-p=1-(1/3)=2/3 X=Number of times the outcomes less than 3…

Q: The random variable x represents the number of emails received at a help desk in one hour, and it…

A: given data, random variable x represent the number of emails received at a help desk in one hour…

Q: ou go to see eight movies every year and win whenever nobody talks. The long-term probability of…

A: Given data, n=8 p=0.3

Q: Everyone working at a local diner makes $8/hour. What is the variance of salary per hour? Group of…

A:

Q: Mercury in tuna Is there a difference in the mercury concentration of light tuna and albacore tuna?…

A: Please find the explanation below. Thank you.

Q: 3. Derive the variance of the F distribution.

A:

Q: On average, a banana will last 6 days from the time it is purchased in the store to the time it is…

A: The question is about hypo. testing Given : Pop. avg. of a banana will last ( μ ) = 6 days Randomly…

Q: The director of research and development is testing a new drug. She wants to know if there is…

A: Solution: State the hypotheses. Null hypothesis: H0: µ≤312 That is, the mean time the drug stayed in…

Q: 2. Two stores at SM Downtown are selling batteries for cell phones. Store A claims an avera battery…

A: Given : Store A claims an average battery life of 12 hours. Store B claims an average battery life…

Q: Find the value of variance in the Binomial distribution where there are 5 samples and p=0.3.

A: The formula of the variance for binomial distribution is,where,n denotes the sample sizep denotes…

Q: A surgery has a success rate of 90%. Suppose that the surgery is performed on three patients. Graph…

A: p=probability=0.9, n=3 =sample size

Q: Calculate the expected value, the variance, and the standard deviation of the given random variable…

A:

Q: The random variable X has a probability distribution with mean 3 and variance 9 and the random…

A:

Q: 17 percent of U.S. employees who are late for work blame oversleeping. You randomly select four U.S.…

A: Given,n=4p=0.17A random variable X~Binomial(n=4 , p=0.17)P(X=x)=4x0.17x1-0.174-x  ;   x=0,1,...4

Q: Fourty six percent of the students in a class of 120 are planning to go to graduate school, Find the…

A: P(plan to go to graduate school) = p = 0.46 sample size (n) = 120 x = no. of students plan to go to…

Q: A surgery has a success rate of 90%. Suppose that the surgery is performed on three patients Graph…

A: Let X be the random variable from binomial distribution with probability of success rate (p) = 90% =…

Q: Q6- Assume the probability that a maple tree at age 5 grows less than 150 cm is equal to 0.3. If the…

A: Given Data: Let X be the height of the maple tree P(x<150)=0.3 σ=64=8

Q: A project’s profit (in thousands), is a random variable with normal distribution. The variance equal…

A: The normal distribution  in the center are generally denser and basically less denser at tails.…

Q: A random variable follows a binomial distribution with a probability of success equal to 0.68. For a…

A:

Q: The owner of a farmer's market was interested in determining how many oranges a person buys when…

A: Given data is x 1 2 3 4 5 6 7 8 9 10 P(x) 0.05 0.19 0.20 0.25 0.12 0.10 0 0.08 0 0.01

Q: Let X be a random variable with X -3 and oz = 5. Find the mean and the variance of Y = -2X -3

A: