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Consider a large population with a mean of 170 and standard deviation of 25. A random sample of size 36 is taken from the population. Calculate the standard error of the sampling distribution of this sample mean and round your answer to the hundredths place.
a random sample of 16 csn students is taken. the average age in the sample was 27 years with a standard deviation of 4
Supposes that the diameter of bearings are independent normally distributed random variables with mean µB = 1.005cm and variance σ²B = (0.003)² cm² . The diameter of shafts are independent normally distributed random variables having mean µB = 0.9..
a consumer advocate wants to find out if motivational speakers can actually improve peoples earning power. he randomly
Suppose you are on a test and are asked to determine whether the given experiment is binomial, Poisson, or neither. What are you going to think about to determine which test to use. Do you have a checklist? How would you approach this problem?
about 30 of adults say that reading is a favorite leisure activity. let success be the outcome that reading is a
Suppose n = 1000 persons are to be sampled from this population and the sample proportion of married persons (ρ-hat) is to be calculated. What is the mean of the sampling distribution of ρ-hat?
another one i need these corrected so i can figure the correct way. please helpdf is wrong can not pool variances when
When using the normal distribution (empirical rule) to obtain the bounds for 99.73 percent of the value in a population, the interval generally will be ______the interval obtained for the same percentage if Chebyshev's theorem is assumed., shorter..
q1.the weights of first graders at freemont elementary were recorded as follows. construct a frequency distribution
a repeated-measures study comparing two treatments with n 4 participants produces md 2 and ss 75 for the difference
Two models of a product - Regular (X) and Deluxe (Y) - are produced by a company. A linear programming model is used to determine the production schedule.
q1 use the normal approximation to the binomial to find the probability of x 20 when n 30 and p 0.5.q2 of
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