Normal approximation for the binomial probability
Find 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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Find the area under the standard normal curve:
The diameters of grapefruits in a certain orchard are normally distributed with a mean of 7.25 inches and a standard deviation of 0.75 inches. Show all work. What percentage of the grapefruits in this orchard have diameters less than 6.5 inches?
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