Mathematics
Mathematics, 05.05.2020 00:31, HyperZ

Jillian surveyed students at her school and found out the following probabilities:
P(freshman) = 0.30
P(plays instrument) = 0.20
P(freshman and instrument) = 0.10
Find the probability that a student plays an instrument given they are a freshman.
P (plays instrument freshman) =

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:30, wednesdayA
Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2
Answers: 2
image
Mathematics, 21.06.2019 23:20, cynayapartlow88
Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity
Answers: 1
image
Mathematics, 22.06.2019 00:30, alxiar19
Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.
Answers: 1
image
Mathematics, 22.06.2019 01:20, attic
If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4
Answers: 1
Do you know the correct answer?
Jillian surveyed students at her school and found out the following probabilities:
P(freshman)...

Questions in other subjects: