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Answer:
The value of v with given slop and points is - 6
Step-by-step explanation:
Given as :
Let x and y be the points of a line
So, x = ( - 3 , - 10 ) And y = ( - 4 , v )
The given slop of line XY is - 4
Now, from slop equation :
Slop =
Or, - 4 =
Or, - 4 =
Or, v + 10 = ( -4 ) × (- 1 )
Or, v + 10 = 4
∴ v = 4 - 10 = - 6
Hence The value of v with given slop and points is - 6 Answer
Answer:
0.229
Step-by-step explanation:
Given that the difference between the two sample means follows anormal distribution with a mean of11.00 and standard deviation equal to1.4387
A statistician is interested in the effectiveness of a weight-loss supplement. She randomly selects two independent samples. Individuals in the first sample of size n1 = 24 take the weight-loss supplement. Individuals in the second sample of size n2 = 21 take a placebo. Individuals in both samples follow identical exercise and diet programs. At the end of the study, the statistician measures the weight loss (in percent) of each participant.
We find that mean difference actual = 13-2 = 11
Probability that difference >12 =P(Z>)
=P(Z>0.742)=.0.229