The masses of mango are normally distributed with a mean, u and variance, o². For a random sample of size m, the 90% confidence interval for the population mean is (h,k). For another random sample of size n, the 95% confidence interval for the population mean is (p.q). The length of interval (h,k) is equal to the interval (p.g). (a) (i) Show that k-h =3.29-

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