During november, lilly will water her flowers every fourth day and her trees every eleventh day. on which day will lily first water her flowers and trees together?

On day lily will first water her flower and trees together.

Explanation:

Lilly waters her flowers every 4th day and her trees every 11th day

So the first day when she will water flower and trees together is the LCM of 4 and 11.

LCM is the Least Common Multiple of the given numbers.

So here the LCM of 4 and 11 is

So the first day will be on day (after 1 month 14 days).

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0