Answer:
76$
Step-by-step explanation:
114=.6y; y= original price
y=190, original price
190-114=76
I'm guessing you intended to say has mean and standard deviation , and has means and standard deviation .
If , then has mean
and variance
Given that and , we have
Then
and are independent, so , and
so that the variance, and hence standard deviation, are
# # #
Alternatively, if you've already learned about the variance of linear combinations of random variables, that is
then the variance of is simply the sum of the variances of and , , and so the standard deviation is again .
Step-by-step explanation:
The slope of the prependicular line is the negative reciporal of the original line's slope.
For slope 2/5
Slope of prependicular line is -5/2
hope this helped you understand it.
Answer:
1/2
Step-by-step explanation:
3/8 + 1/8 = 4/8 = 1/2