subject
Mathematics, 03.02.2020 02:43 dani9427

In post-apocalyptic neverland, clean water is sold in "2-liter" bottles off the back of a truck that arrives every day. the arrival time is normally distributed with mean 2: 54 pm and standard deviation 24 minutes. the time it takes for the water to sell out is also normally distributed with mean 33 minutes and standard deviation 7 minutes. the price of a "2-liter" bottle fluctuates from day to day according to a normal distribution with mean 128 rubles and standard deviation 4 rubles. the amount of water in a "2-liter" bottle varies from bottle to bottle according to a normal distribution with mean 63.5 ounces and standard deviation 1 ounce. assume that all days, all times, and all bottles are independent.

on april 3, 2020, you buy four "2-liter" bottles of clean water. what is the probability that it costs you more than 500 rubles? give your answer to 4 decimal places.

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:30, alexialiles19
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: 2
image
Mathematics, 21.06.2019 21:50, neirabrandon516
Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.
Answers: 3
image
Mathematics, 21.06.2019 22:00, alimfelipe
Which two undefined geometric terms always describe figures with no beginning or end?
Answers: 3
image
Mathematics, 21.06.2019 23:00, keishadawson
Could someone me with this question i’ve been stuck on it for 20 minutes
Answers: 1
You know the right answer?
In post-apocalyptic neverland, clean water is sold in "2-liter" bottles off the back of a truck that...

Questions in other subjects:

Konu
Mathematics, 23.05.2020 08:57