Mathematics, 12.12.2019 04:31, connienash95
Let x denote the number of canon slr cameras sold during a particular week by a certain store. the pmf of x is
x | 0 1 2 3 4
px(x) | 0.1 0.2 0.3 0.25 0.15
seventy percent of all customers who purchase these cameras also buy an extended warranty. let y denote the number of purchasers during this week who buy an extended warranty.
a) what is p(x= 4, y= 2)?
b) calculatep(x=y).
c) determine the joint pmf ofxandy formula
d) determine the marginal pmf ofyas a table.
Answers: 1
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 18:30, kenzie9493
Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?
Answers: 1
Mathematics, 21.06.2019 23:10, skylar1315
Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing (type an integer or a decimal.)
Answers: 3
Do you know the correct answer?
Let x denote the number of canon slr cameras sold during a particular week by a certain store. the p...
Questions in other subjects:
Chemistry, 19.03.2020 16:33
Health, 19.03.2020 16:34
Biology, 19.03.2020 16:34
History, 19.03.2020 16:34
