1. For a given page, calculate the probability that there are at least 2 mutations on the page. 2. For a given page, calculate the probability that there are at least 2 mutations on the page given that you have already spotted one mutation. 3. Now consider three pages, calculate the probability that there are no more than 2 mutations over all three of those pages.

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

a precentage of 6th graders. the population is all 6th graders. let me know if i'm wrong, i hope this ! : )

step-by-step explanation: