The following table provides a probability distribution for the random variable x
.
()10.220.25−140.37
x 1 2 −1 4 f(x) 0.2 0.25 0.37
Find (≤1)
P
(
x
≤
1
)
. Answer
Find ()
V
a
r
(
x
)
3.3
3.3
1.82
1.82
6.38
6.38
2.53
2.53
6.3
6.3
2.51
2.51

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

What are the exclude value of mn+3m

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41