Suppose that X is a binomial random variable with n=100 and p=0.4. Find the probability P(x is less than or equal to 80)based on the corresponding binomial distribution. * Your answer This is a required question Find the probability P(x is less than or equal to 80)based on the approximate normal distribution. * Your answer This is a required question Is the normal approximation reasonable? * Yes No

Q: Calculate the standard deviation of X for the probablity distribution. Round final answer to…

A:

Q: A researcher examines 61 critically ill patients with myxedema coma. He wishes to determine if the…

A: We have given that a researcher examines 61 critically ill patients with myxedema coma.The scenario…

Q: = 1.574 hits (Round to three decimal places as needed.) Compute the theoretical standard deviation…

A: We have given that the probability distribution of the random variable X represents the number of…

Q: Suppose that a population is known to be normally distributed with u = 2,000 and o = 230. If a…

A: Given data,μ=2000σ=230If n=8P(X>2100)=?

Q: Let y be a random variable having a normal distribution with a mean equal to 50 and a standard…

A: Let "y" be a random variable having a normal distribution.

Q: The taxi and takeoff time for commercial jets is a random variable x with a mean of 9 minutes and a…

A: Solution: Let X be the take-off time for commercial jets. From the given information, X follows…

Q: Find the area under the standard normal curve between z = 0.28 and z = Answer If you would like to…

A: To find the area under the standard normal curve between z1 = 0.28 and z2 = 1.35 i.e. P(z1≤ Z ≤z2)=…

Q: ← The probability that a marriage will end in divorce within 10 years is 0.45. What are the mean and…

A: When X~Bin(n,p) Mean=np and standard deviations=sd=√(np(1-p))

Q: Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is…

A: Given data,μ=2.62σ=0.91If n=25P(2.62<X<3)=?

Q: Given that z is a standard normal random distribution, find z for each situation The area to the…

A: The area to the right of z is 0.1314 is obtained below:From the given information, the probability…

Q: The probability distribution of the random variable X represents the number of hits a baseball…

A: Data set of the random variable X base on the simulation for 25 games:-…

Q: The probability distribution of the discrete random variable X is given below. 3-х f(x) = ,x= 0, 1,…

A: The given probability mass function of X is, Assume that, the given probability mass function of X…

Q: In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a…

A: Given Data Population Mean,μ = 69.1 Population Standard Deviation,σ = 4.0

Q: The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally…

A: The curve of the normal distribution is bell shaped and symmetric about the mean of the…

Q: with mean μ and variance o², what is the exact value of P(μ-3σ<X<μ+30)? Click here to view page 1 of…

A: Given that,By using Chebyschev's theorem, the probability that a random variable within 3 sd of the…

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: For questions 1-11, use the Math_achievement.sav file. As part of a large national education study,…

A: In this case, we need to check whether there is a significant difference between genders in…

Q: Below is another student's solution to a normal approximation problem. Identify each step with an…

A: n=50  1 in 5 treasure We have to find the probability that you find 8 rare items in a collection of…

Q: The probability distribution of the random variable X represents the number of hits a baseball…

A: Given: X 0 1 2 3 4 5 P(X) 0.1666 0.3292 0.2779 0.1492 0.0366 0.0405

Q: probability for the standard normal random variable z. e. P(z>0) f. P(-2.05szs1.29) 3) -0.15) g.…

A: We have to find given probability from standard normal table.

Q: Suppose that 40% of Americans drink soda every day. Amy, a researcher at a local university, takes a…

A: Answer:- Here the random variable X has binomial distributionThe sample size is: Probability of…

Q: ive males with an​ X-linked genetic disorder have one child each. The random variable x is the…

A: x p(X) x*p(x) x2*p(x) 0 0.028 0 0 1 0.148 0.148 0.148 2 0.324 0.648 1.296 3 0.324 0.972…

Q: The probability distribution of the random variable X represents the number of hits a baseball…

A: We have given that  Probability distribution of discrete random variable.  Mean = E(x)=∑x.p(x)

Q: The mean height of women in a country (ages 20- 29) is 63.9 inches. A random sample of 70 women in…

A: Let X be the random variable from normal distribution with mean (μ) = 63.9, standard deviation (σ) =…

Q: The probability distribution shown below describes a population of measurements X       |      0…

A: Given:

Q: ales that average delly high temperature in June in a particular city with a standard deviation of…

A: Given Information: The average daily temperature in June in a particular day is 86°F with a standard…

Q: 4. Calculate the expected values E(X), E(Y) and the variances Var(X), Var(Y).

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Let x be a random variable that represents the level of glucose in the blood (milligrams per…

A: population mean  standard deviation

Q: 4. Given a simple random sample {X,}" - N(H,0²), then has SIn A. normal distribution В.…

A: Here, (X-bar -µ)/(s/n) follows a t distribution.