Percentiles for the standard normal distribution
Find the following percentiles for the standard normal distribution. Interpolate where appropriate. (Round your answers to two decimal places.) (a) 71st
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You have noticed also that if he is happy, he acceedes to ur request wid a probab. of 0.4,whereas if he is not happy he acceedes to d request wid a probab of 0.1. You call one day & he acceedes to ur request. What is d prob. of his being happy
What is the probability that the number among the 25 who received a special accommodation is within 2 standard deviations of the number you would expect to be accommodated? You may need to use the appropriate table in the Appendix of Tables to answ
What effect does the sample size have upon the maximum error of measurement?
Reject H0. There is insufficient evidence to conclude that the mean number of drinks consumed on a Saturday night is less than 7.
By showing work with mean and sample standard deviation, verify that x bar is approximately equal to 74.2 cm and s is about 18.3 cm.
The following data represent the number of children in a sample of 10 families from Chicago: 4, 2, 1, 1, 5, 3, 0, 1, 0, and 2. Compute the mean number of children.
We would like to find the probability of 34 or more successes using the normal distribution to approximate the binomial. Applying the continuity correction factor, what z-score should be used?
For a continuous random variable X, P(27 ? X ? 74) = 0.35 and P(X > 74) = 0.1. Calculate the following probabilities. How would I find P(X = 74) with the information given?
Number of Breakdowns Probability 1 0.05 2 0.05 3 0.10 4 0.10 5 0.15 6 0.15 7 0.25 8 0.15 (a) What is the expected number of breakdowns in any given day?
What is the value of SP for the following set of data? Explain answer and show work, please.
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