The chickens at ColonelThompson's Ranch have a mean weight of 1700 g, with a standard deviation of 100 g. The weights of the chickens are closely approximated by a normal curve. Find the percent of all chickens having weights more than 1600 g.

A jar of peanut butter contains 441 g with a standard deviation of 10.2 g. Find the probability that a jar contains more than 445 g. Assume a normal distribution.

Assume that adults have IQ scores that are normally distributed with a mean of =100 and a standard deviation =15. Find the probability that a randomly selected adult has an IQ between 84 and 116.

Assume the readings on thermometers are normally distributed with a mean of 0C and a standard deviation of 1.00C. Find the probability that a randomly selected thermometer reads greater than 1.86 and draw a sketch of the region.

Assume the readings on thermometers are normally distributed with a mean of 0C and a standard deviation of 1.00C. Find the probability that a randomly selected thermometer reads greater than 0.28 and draw a sketch of the region.

Assume that thermometer readings are normally distributed with a mean of 0C and a standard deviation of 1.00C. A thermometer is randomly selected and tested. For the casebelow, draw asketch, and find the probability of the reading.(The given values are in Celsiusdegrees.)

Between 0.25 and 1.25

Assume that adults have IQ scores that are normally distributed with a mean of =105 and a standard deviation =15. Find the probability that a randomly selected adult has an IQ less than 129.

The mean clotting time of blood is 7.45 seconds with a standard deviation of 3.6 seconds. What is the probability that anindividual's clotting time will be less than 2 seconds or greater than 8 seconds? Assume a normal distribution. This problem can be solved using technology or the table for the standard normal curve from your text.