Use technology or a z-score table to answer the question. The scores for a golf tournament are normally distributed with a mean of 210 and a standard deviation of 80. Ella scored 230 at the tournament. What percent of golfers scored less than Ella? Round your answer to the nearest whole number. 60%
75%
77%
80%

1: 4 if the wew 35 surfboards at the beach how many were short boards?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

The length of a field is 100 yards and its width is 75 yards. if 1 inch represents 25 yards, what would be the dimensions of the field drawn on a sheet of paper?