Determine normal approximation for binomial probability
Determine the normal approximation for the binomial probability that x = 6, where n = 15 and p = 0.3. Compare this probability to the value of P(x=6) found in Table 2 of Appendix B in your textbook.
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Kindergarten children have heights which are approximately normally distributed regarding the mean of 38.3 inches and standard deviation of 1.8 inches. If random sample of 18 is taken, determine the probability that the sample of kindergarten chi
A random sample of size 39 is to be chosen from population that has a mean ? = 48 and standard deviation ? of 17. This sample of 39 has mean value of x, which belongs to a sampling distribution. Determine the shape of this sampling distribution.
A sample of 29 labor relation managers is taken, and annual salaries are reported. Determine the probability that the sample mean annual salary falls between $85,800 and $88,300?
The following data show dollar value of sales with corresponding adventising levels for a small retail chain in Philadelphia.
The small backpack producer carries 4 different models of back packs, made of plastic, canvas, nylon and leather. Determine best combination of backpacks to give store to maximize profit?
Assume that you wish to carry out a nonparametric test for a difference among the medians of three or more independent populations. Which of these tests would be appropriate?
A simple random sample of 50 speeds (in mph) is obtained from cars traveling on the section of I-10 through Tallahassee. The sample has mean of 72.3 mph and standard deviation of 7.4 mph. Employ a 0.05 significance level to test the claim that the
Three couples and two single individuals have been invited to the investment seminar and have agreed to attend. Assume the probability that any specific couple or individual arrives late is 0.37
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