Mathematics, 04.04.2021 01:00 1162
To examine the effectiveness of its four annual advertising promotions, a mail order company has sent a questionnaire to each of its
customers, asking how many of the previous year's promotions prompted orders that would not have otherwise been made. The
accompanying table lists the probabilities that were derived from the questionnaire, where X is the random variable representing the
number of promotions that prompted orders. If we assume that overall customer behavior next year will be the same as last year, what
is the expected number of promotions that each customer will take advantage of next year by ordering goods that otherwise would not
be purchased?
X 0 1 2 3 4
P(X)0.10.246 0.3390.155 0.16
Expected value =
Answers: 3
Mathematics, 21.06.2019 20:00
Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 1
Mathematics, 21.06.2019 21:00
The radius of a sphere is 3 inches. which represents the volume of the sphere?
Answers: 1
Mathematics, 22.06.2019 07:10
Harold took five different samples of thirty-five randomly selected students from the 520 students he surveyed. the means of the samples are shown below. sample mean sample 1: 3.4 sample 2: 3.2 sample 3: 4.1 sample 4: 4.6 sample 5: 3.1 the predicted mean of the population will fall between 3.1 and ?
Answers: 1
To examine the effectiveness of its four annual advertising promotions, a mail order company has sen...
Mathematics, 03.12.2019 20:31