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Determine the probability that 2 or more of the employees in sample work at the plant in Hawaii? Find out the probability that 9 of employees in the sample work at the plant in Texas?
Caculate the probability distributions for X and Y. Compute E[X] and E[Y]. Determine the probability that X is larger than 1.
Changing the mean of Normal distribution by moderate amount can greatly change the percent of observations in the tails. Assume that college is looking for applicants with SAT math scores 750 and abov
Determine the probability that a randomly chosen bag haves fewer 1050 chocolate chips? What proportion of bags haves more than 1175 chocolate chips? Determine the percentile rank of a bag that contain
Assume a CD you just bought has 10 tracks. After listening to the CD you decide that you like 4 of the songs. With Random Feature on your CD player, each of 7 songs is played once in Random Order.
The mean annual salary for male and female graduates of a "top 20" MBA program 10 years after graduation is $174000 and $126000, respectively. Assume the standard deviation for male graduates is $35
A survey was done asking how many students upon campus enjoy cardio and lifting weights. The survey found that 60% enjoyed lifting weights, 37% enjoy doing cardio, and 18% enjoy doing both. What pe
The weight for man in the United States is normally distributed with mean of 196 pounds with standard deviation of 15 pounds. A random sample is taken of 50 men. Determine the probability that the s
Assume that Y1 and Y2 are independent exponentials with mean beta=1. Illustrate the following two functions of Y1 and Y2 : U1 = g1(Y1,Y2)= Y1 and U2= g2(Y1,Y2)=2Y1 +
Determine a 90% confidence interval estimate of proportion of serving games Mimi won. (Show work and round answer to three decimal places)
The number of cars arriving at toll booth in five-minute intervals is Poisson distributed with a mean of 3 cars arriving in five-minute time intervals. The probability of three cars arriving over a
A tax auditor is choosing a sample of 6 tax returns for audit. If 2 or more of these returns are "improper," the overall population of 55 tax returns will be audited.
Let x be binomial random variable with n=100 and p=.8. The probability of less than 78 successes, when using normal approximation for binomial is ________
Suggset two events, A and B. The probability of A intersect B is 0.2, and probability of B is 0.6. Determine the probability of A given B?
Assume we flip fair coin four times. Let X = number of heads, Y = 1 if last flip is a tails. Write down the joint distribution of X and Y .
The mean annual salary for male and female graduates of a "top 20" MBA program 10 years after graduation is $174000 and $126000, respectively. Assume the standard deviation for male graduates is $55
Michael Jordan is shooting free throws. Making or missing free throws doesn't change the probability that he will make his next one, and he makes his free throws 86% of time. Determine probability o
The results of a two-factor analysis of variance produce df=(1,30) for the F- ratio for factor A, and df=(2,30) for the F-ratio for the AXB interaction. Based on this information, which of the follo
A bag of 31 tulip bulbs haves 13 red tulip bulbs, 11 yellow tulip bulbs, and 7 purple tulip bulbs. Determine the probability that two randomly selected tulip bulbs are both red?
For an experiment involving three levels of factor A and 3 levels of factor B, with sample of n=8 in each treatment situation, what are the dfvalues for the F-ratio for the AXB interaction?
Determine the probability that a randomly chosen person doesn't have a backyard Determine the probability that a randomly chosen person lives in house given that he does not have a backyard
Table below haves the distribution of the size of households (limited to 4 people).
For research study with 2 levels of factor A, 3 levels of factor B, and n=5 in each treatment condition, what are the df values for the F-ratio evaluating the main effect for factor A?
Give graphical representation of the probability distribution of the random variable x in the above problem. Also show that the definition of the discrete probability distribution of the variable x
Suggest the experiment of rolling single die. We are interested in observing odd number. Point out how we can introduce the concept of random variable and state all possible values it can assume.