Carl cornfield has been wondering whether he should plant white corn this year. he decides to sample 100 customers. 38% say they would purchase white corn. carl wants to have a 95% confidence interval for this proportion. the confidence interval is from 33% to 43% (to the nearest percent). truth or false

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?