Mathematics, 26.01.2021 20:50 leeleelynn
A store that specializes in shipping packages reports that the distribution of packages shipped during the winter holidays is normally distributed with a mean of 4.5 pounds with a standard deviation of 1.8 pounds
What is the probability that two randomly selected packages are both more than 4.5 pounds? (assume the packages are independent of each other)
a.) 0.5
b.) 1
c.) 0
d.) 0.25
Answers: 2
Mathematics, 21.06.2019 21:50, safiyyahrahman8937
Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?
Answers: 1
A store that specializes in shipping packages reports that the distribution of packages shipped duri...
Mathematics, 03.12.2020 22:20
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