Find P(Z > 0.88) where Z is the standard normal random variable. Round to 4 decimal places. Answer:

Q: 9. Let p(x) = ()*, ,X = 1,2,3,..., zero elsewhere, is the PMF of the discrete random variable X.…

A: We have given that

Q: ollect the Data n = 30 x = 21 In other words, define the random variable P′. State the estimated…

A: Given, n=30 x=21

Q: Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine…

A: Given, Z~N(0,1) P(-c<Z<c)=0.9749

Q: Ona multiple choice test with 5 questions, each question has three possible answers, one of which is…

A: Answer : -  Given,  n = 5  questions, each question has three possible answers,…

Q: Use the normal approximation to find the indicated probability. The sample size is n, the population…

A:

Q: Let x be a random variable that represents the percentage of successful free throws a professional…

A:

Q: If z is a standard normal random variable, the area between z = -1.20 and z =0 is 0.3849, while the…

A: Z has standard normal distribution.

Q: 6 - A fair coin is tossed three times (consecutively). What is the variance of X if X is the number…

A:

Q: Fisn ranges from Scm to 4cm. They are normally distributed W| mean:84 cm and sd= 18cm. A). Fisn…

A: Let, X = Length of fish. X~Normal(μ=84, σ2=182) (A) A fish is selected at random. We need to find…

Q: About 25% of a population are of a particular ethnic group. 200 people are randomly selected from…

A: According to the given information, we have Probability, p = 25% Sample size, n = 200

Q: About 28% of a population are of a particular ethnic group. 130 people are randomly selected from…

A:

Q: Find P(Z <2.16) where Z is the standard normal random variable. Round to 4 decimal places. Answer:

A: We have to find P(Z&lt;2.16)

Q: + L Decide whether the random variable x is discrete or continuous. Explain your reasoning. Let x…

A: Given information X represents the volume of blood drawn for a blood test It is a random variable…

Q: O Y = "the time it takes to finish this exam" OX= "the exact number of inches it rained last summer"…

A: Topic:- algebra

Q: Interpret this probability. Assume that o = 1.31%. The probability is 0.1788. (Round to four decimal…

A: Guven:Mean (µ) = 2.39Standard deviation (σ) = 1.31Sample size (n) = 33

Q: Suppose the time to failure, in hours, of a bearing in a mechanical shaft, is a Weibull random…

A: From the given information, the time to failure of a bearing in a mechanical shaft is a Weibull…

Q: Assume the random variable X is normally distributed with mean u = 50 and standard deviation o = 7.…

A: We have given that.   X~N( μ , ?^2 )   μ = 50 , ? = 7   Z-score =( x - μ )/?

Q: d. - 2.69 <z< 1.06 P(- 2.69<zs 1.06) = e. - 2.02 < z<-0.93 P(- 2.02 < z<- 0.93) =

A:

Q: About 28% of a population are of a particular ethnic group. 220 people are randomly selected from…

A: Given: We have given that 28% of a population are of a particular ethnic group. So, n = 220…

Q: Determine whether the following value is a continuous random​ variable, discrete random​ variable,…

A:

Q: Assume the random variable X is normally distributed with mean p = 50 and standard deviation o = 7.…

A: Correct graph=A

Q: For each of the following rejection regions, what is the probability that a Type I error will be…

A: The given rejection regions are as follows, a.  t&gt;1.833 where df=9 b. t&lt;-1.476 where df=5 c.…

Q: Let X denote the magnitude of a force applied to a steel beam as a U(400, 500) continuous uniform…

A: X~U(400,500)a=400,b=500

Q: Which of these is a discrete random variable? The time it takes for 30 randomly selected student to…

A: Discrete random variable: A discrete random variable is one which may take on only a countable…

Q: Use the Standard Normal Distribution table to find P(Zs-0.69) Select one: O a. 0.2549 O b. 0.2451 O…

A: A z-score (or) normal standard score describes that how many standard deviations of given data…

Q: A random variable has CDF given by F₁ JA i = 0, 1, 2 \1 i = 3 if A = 0.84, then what is p3? Round…

A: A random variable has CDF given byWe need to find p3 when A = 0.84

Q: Let Z be a standard normal random variable. Use the calculator provided, or this table, to…

A:

Q: Ona multiple choice test with 5 questions, each question has three possible answers, one of which is…

A:

Q: Solve the problem. Round to four decimal places. If x is a binomial random variable, compute p(x)…

A: Given that : X follows binomial distriubtion,  n = 6  x = 2 p = 0.6   Binomial probability…

Q: The random variable is the number of times a 5 occurs when rolling a die 4 times. The value(s) of…

A: Given that a die is rolled 4 times. The Total number of outcomes is 64=1296. The outcomes for…

Q: Let X be a random variable with bin (n, p) distribution. Find the values of the parameters n and p…

A: Given Binomial distribution with parameter n, p Given EX=6 Therefore mean of the binomial…

Q: Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine…

A: From the provided information, P (c ≤ Z ≤ 1.08) = 0.8199

Q: Assume that a random variable is normally distributed with a mean of 1,500 and a variance of 340.…

A: The variance is 340 and standard deviation equals to the square root of variance. So to find the…

Q: Use the Chi-Square test to determine if your third-generation population data fits the expected…

A: The chi-square goodness of fit test can be used to determine whether a sample distribution follows…

Q: Q4. TheBinomial random variable, T~ B(20,0.4). Find the Pr( T= 8). С. 0.36 ww A. 0.12 В. 0.18 D.…

A: Let T be the random variable from Binomial distribution with probability (p)=0.4 and sample size (n)…

Q: Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine…

A:

Q: Given that z is a standard normal random variable, find z for each situation (to 2 decimals). a. The…

A:

Q: Ch: Estimating Random Variables Let Z be a standard normal random variable. Estimate via simulation…

A: Given Z is a standard normal random variable. We should find the value of P(Z2&lt;2) using…

Q: Let X and Y be two independent random variables from exponential distribution with mean 3 and 4,…

A: # random variable x and y are independent and x follow exponential (mean=3) and y from exponential…

Q: price per kil of mangos are sold mean = 3.22 sd = 0.54 find p that price of kelo at random is…

A: Given that:Mean (M) = 3.22 and sd = 0.54We have to find the probability that the price of a random 1…

Q: Let z be a standard normal random variable. Find z if the area left to z is 0.7995. Select one: a.…

A: We have to find z score for given data..

Q: Which of the following random variables is  continuous?   Lifetime of a AAA battery.   Amount of…

A: Which of the following random variables is  continuous?