Mathematics, 28.01.2020 23:43 quece233
3. joe the barber charges $32 for a shave and haircut and $20 for just a haircut. based on experience,
he determines that the probability that a randomly selected customer comes in for a shave and"
haircut is 0.85, the rest of his customers come in for just a haircut. let j= what joe charges a
randomly selected customer.
(a) give the probability distribution for j.
(b) find and interpret the mean of j, mj
(c) find and interpret the standard deviation of j, standard deviation j
Answers: 2
Mathematics, 21.06.2019 16:20
Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function
Answers: 2
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
3. joe the barber charges $32 for a shave and haircut and $20 for just a haircut. based on experienc...
Mathematics, 21.03.2020 05:37
History, 21.03.2020 05:37
History, 21.03.2020 05:37
Mathematics, 21.03.2020 05:37