subject
Mathematics, 30.10.2019 04:31 vbucks72

Cars arrive at the wendy's drive-through at a rate of 1 car every 5 minutes between the hours of 11: 00 pm and 1: 00 am. on saturday nights. wendy's begins an advertising blitz that touts its late-night drive-through service and convenience. after one week of advertising, the wendy's marketing department conducts a survey at 200 wendy's to count the number of cars, x, that arrive at the drive-through between the hours of 12: 00 midnight and 12: 30 am on saturday night. question 1. use the poisson distribution to calculate the probability that exactly 8 cars will use the drive-through between 12: 00 midnight and 12: 30 am on a saturday night at wendy's. do the same for exactly 9 cars. p(x = 8) (use 4 decimal places)p(x = 9) (use 4 decimal places)question 2. at how many of the 200 restaurants in the survey would you expect exactly 8 customers to use the drive-through? exactly 9 customers? expected number of 200 restaurants in which exactly 8 customers use the drive-through. expected number of 200 restaurants in which exactly 9 customers use the drive-through.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Quadrilateral ghjk has vertices g(2, 3), h(8, 2), j(6, 8), and k(3, 6). it is transformed according to the rule t(–4, –5). what are the coordinates of g”? (–7, 3) (–2, 2) (–1, –7) (2, –2)
Answers: 2
question
Mathematics, 21.06.2019 18:20
17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.
Answers: 2
question
Mathematics, 21.06.2019 20:00
What is the value of f(x) = 2.2 for f(-2)?
Answers: 2
question
Mathematics, 21.06.2019 22:00
Determine if the equation defines y as a function of x: 2xy = 1. yes o no
Answers: 2
You know the right answer?
Cars arrive at the wendy's drive-through at a rate of 1 car every 5 minutes between the hours of 11:...
Questions
question
Health, 09.01.2022 22:20
question
Mathematics, 09.01.2022 22:20
question
French, 09.01.2022 22:30
question
Physics, 09.01.2022 22:30
question
Computers and Technology, 09.01.2022 22:30
Questions on the website: 13722362