Given the information: the sampled population is normally distributed, = 10.4, n = 60, and = 81.2.
a. Find the 98% confidence interval for
b. Interpret the confidence interval in
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In order to monitor the quality of a production process, samples of size five are selected daily. Thee random variable of interest is the number of defectives in the five items selected. What values are possible for this random variable? Solutions