The weights of steers in a herd are distributed normally. The variance is 90,000 and the mean steer weight is 1200lbs. Find the probability that the weight of a randomly selected steer is between 1379 and 1590lbs. Round your answer to four decimal places.

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain