Problem 10-21 With a .95 specified reliability, determine the required sample size for estimating the mean in each of the following situations: (a)(b)(c)(d) d101.80.220.24 sigma80.009.002.642.16 Sample Size

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244