Find the value of x 75 m 190m

Which of the following scenarios demonstrates an exponential decay

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?

What is the 8th term of the geometric sequence with this explicit formula? an= )(n-1)