Mathematics, 28.05.2020 02:58 belle200163
For problems 3-5, in a class of 40 students, 24 are over the age of 21 and 16 are 21 or younger. Biff is over the age of 21. A student is selected at random. (3 pts each)3. Find the probability the student is over the age of 21.4. Find the probability Biff was selected if you know the student selected was over the age of 21. 5. Find the probability Biff was selected if you know the student selected was 21 or younger
Answers: 3
Mathematics, 21.06.2019 23:00
Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?
Answers: 2
Mathematics, 22.06.2019 00:30
Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days
Answers: 2
Mathematics, 22.06.2019 00:50
Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?
Answers: 3
For problems 3-5, in a class of 40 students, 24 are over the age of 21 and 16 are 21 or younger. Bif...
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