For any alevels math doubts

[krishnapatelzz]

visit this page on facebook u can post your A level maths doubts here https://www.facebook.com/groups/302892556809834/

 

[dramione]

can anyone help me with this?

May/June 2003 question 1

a fair coin is tossed 5 times and the number of heads is recorded.
i) the random variable x is the number of heads. state the mean and variance of x.
ii) the number of heads is doubled and denoted by the random variable y. state the mean and variance of y.

 

[krishnapatelzz]

can anyone help me with this?

May/June 2003 question 1

a fair coin is tossed 5 times and the number of heads is recorded.
i) the random variable x is the number of heads. state the mean and variance of x.
ii) the number of heads is doubled and denoted by the random variable y. state the mean and variance of y.

https://www.facebook.com/groups/123352878229031/

 

[krishnapatelzz]

this is the stats group https://www.facebook.com/groups/123352878229031/

 

[dramione]

thank you very much.