Mathematics, 14.02.2020 01:06 batmanmarie2004
It is said that sufferers of a cold virus experience symptoms for 7 days. However, the amount of time is actually a normally distributed random variable whose mean is 7.5 days and whose standard deviation is 1.2 days.
a. What proportion of cold sufferers experience fewer than 4 days of symptoms?
b. What proportion of cold sufferers experience symptoms for between 7 and 10 days?
Answers: 2
Mathematics, 21.06.2019 14:10, mbatton879
5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?
Answers: 2
Mathematics, 21.06.2019 17:00, cjd1214812148
The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation
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Mathematics, 21.06.2019 18:00, xojade
Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.
Answers: 1
It is said that sufferers of a cold virus experience symptoms for 7 days. However, the amount of tim...
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