40 11 A random sample of 144 with a mean of 300 and a standard deviation of 100 is taken from a population of 5000. Find an interval estimate for p such that we are 90% confident that the interval includes p. Ans. 286.34 to 313.66 For Brob 4 40 find (a) th 95% and (h) the 99% confidence intervalo (a) What do ore to norto

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