Question

(1 point) Assume that the readings on thermometers in a room are normally distributed with mean and standard deviation 1.00'C. A thermometer is randomly selected and tested. Find the probability that the reading on the thermometer (in degrees Celsius) is (a) between 0 and 0.45 Answer: (b) between -2.59 and 0. Answer: (c) between -0.69 and 1.91. Answer: (d) less than 0.39 Answer: (e) greater than -2.07. Answer:

Answer 1

solution: - a ploche 0.45) = Plzc0.45) - P(zlo) 01736 0.1736 T b) P(-2.59 Laco) = Pleco) - Plac - 2.59) = 0.4952] 0.4952 c) p1-0.69 (2C 1.91) = P(221.51) - Plzc.0.69) - 0.9268 0.7 268 d) Placo.39) - 0.6517 0.6517 1-Plz L-2.07) e) Plz 3-2.07) = - 0.9808