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 19:00, bellbradshaw16
Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.
Answers: 2
Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
Mathematics, 21.06.2019 22:30, emmanuelmashao5504
Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.
Answers: 1
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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