Mathematics, 18.02.2021 22:20, KariSupreme
All of Dave’s customers are neighbors that have yards of about the same size. Dave charges a flat rate of $35 for mowing and trimming; $50 for mowing, trimming, and fertilizing, and $25 for just mowing. Based on experience, he determines that the probability that a randomly selected customer wants him to mow, trim and fertilize the lawn is 0.55; for those who want to trim and mow the probability is 0.15, and the rest of his customers just want him to mow. Let C = the amount Dave charges a randomly selected customer.
(a) Make a table that shows the probability distribution of C.
(b) Calculate and interpret the mean of C.
(c) Calculate and interpret the standard deviation of C.
Answers: 3
Mathematics, 21.06.2019 19:00, godchaux15395
What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)
Answers: 2
Mathematics, 21.06.2019 19:30, tgentryb60
Now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
Mathematics, 21.06.2019 21:00, carissaprocacci
Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%
Answers: 1
All of Dave’s customers are neighbors that have yards of about the same size. Dave charges a flat ra...
Physics, 01.07.2020 15:01