Mathematics, 27.01.2020 19:31 Justus4215
Current research indicates that the distribution of the life expectancies of a certain protozoan is normal with a mean of 48 days and a standard deviation of 10.2 days. find the probability that a simple random sample of 49 protozoa will have a mean life expectancy of 49 or more days.
Answers: 2
is the random variable for lifespan of a protozoan and 
. Let 
be the mean of a sample from this distribution, so that 
.
and standard deviation 
by 
.
follows the standard normal distribution)
Another question on Mathematics
Mathematics, 22.06.2019 00:30
Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.
Answers: 2
Mathematics, 22.06.2019 02:00
Look at the example below which shows how the product property of radicals is used to simplify a radical. use the product property of radicals to simplify the following radical.
Answers: 3
Mathematics, 22.06.2019 02:50
There are 85 apples on the big tree, john picked out 15%. how many did john pick out?
Answers: 2
You know the right answer?
Current research indicates that the distribution of the life expectancies of a certain protozoan is...
Questions
Mathematics, 24.11.2019 05:31
Mathematics, 24.11.2019 05:31
Mathematics, 24.11.2019 05:31
Mathematics, 24.11.2019 05:31
Mathematics, 24.11.2019 05:31
Chemistry, 24.11.2019 05:31
Mathematics, 24.11.2019 05:31
Mathematics, 24.11.2019 05:31
English, 24.11.2019 05:31
