Mathematics, 03.03.2020 00:06, dondre54
John and Beth plan to visit a bookstore. Based on their previous visits to this bookstore, the probability distributions for the numbe of'boks they will buy is given below. Number of books John wi buy Probability 0.50 0.100.250.15 Number ofbooks Beth will buy 023 Probability 025 0.45 0.10 020 Assuming that John and Beth mnke their decisions to purchase books independently, what is the probability that a total of 0 books are purchased? a) 0.8750 b)0.6250 c) 0.2500d) 0.1250
Answers: 3
Mathematics, 22.06.2019 02:00, castellon67
The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams
Answers: 3
Mathematics, 22.06.2019 05:10, bikerhomie
Find the coordinates for the center for this circle (x+3)^2+(y-5)^2=25
Answers: 3
Mathematics, 22.06.2019 08:10, Uniquestudies
Sales personnel for skillings distributors submit weekly reports listing the customer contacts made during the week. a sample of 55 weekly reports showed a sample mean of 17.5 customer contacts per week. the sample standard deviation was 5.8. provide 90% and 95% confidence intervals for the population mean number of weekly customer contacts for the sales personnel. a. 90% confidence interval, to 2 decimals b. 95% confidence interval, to 2 decimals
Answers: 2
John and Beth plan to visit a bookstore. Based on their previous visits to this bookstore, the proba...
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