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We flip a fair coin 10 times. what is the conditional probability of getting 10 heads, given that the number of heads is at least 8?
a random sample has been taken from a normal distribution. output from a software package is given belowvariable xn
Incomes in the thousands of dollars were sampled in one region, they are as follows (1.5, 3.0, 4.2, 5.6, 2.6, 4.1, 0.9, 5.7, 5.4, 2.6) Assume the population is normal.
a particular engine bearing plant has three manufacturing lines .for line a the porportion of output bearing that are
At the 5% significance level, can the researcher reject the hypothesis that the mean reading scores of all children in the three school systems is the same? Formulate and test the appropriate hypotheses. Use the critical value approach.
A university found that 20 percent of its students withdraw without completing the introductory statistics. Assume that 20 students registered for the course.
What is the probability that it will be handled by Adam? If it turns out that the problem was solved, what is the probability that it was handled by Adam?
the results of a recent poll on the preference of shoppers regarding two products are shown below.shoppers
bcs quality assurance programme chooses a random sample of 50 units and finds that 12 are defective. what is the number
What is the mean of the sampling distribution of the (sample proportion) and what is the standard deviation of the and describe the sampling distribution of p
Some people who bought X-game gaming systems complained about having received defective systems. The industry standard for such systems has been 98% non-defective systems.
the heights of people of the same sex and similar ages follow a normal distribution reasonably closely. weights on the
A large tank of fish from a hatchery is being delivered to a lake. The hatchery claims that the mean length of fish in the tank is 15 inches, and the standard deviation is 2 inches. A random sample of 36 fish is taken from the tank.
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