JK= 8, because x+3= 2x-5= 19
Answer:
a) 
b) what?
c) -70
Step-by-step explanation:
If you have any questions feel free to ask in the comments - Mark
sorry for the terrible answer
Answer:
Option 3 is right
z37 is between 2 and 3 standard deviations of the mean.
Step-by-step explanation:
Let X be a random variable which represents the mean number of miles that the employees in a department live from work
X is normal (N(29,3.6)
WE have to find Z score for X
Z =
=2.22
i.e. 37 is 2.22 std deviations from the mean.
In other words, z37 is between 2 and 3 standard deviations of the mean.
P(hemoglobin level between 9 and 11) = P(age between 25 and 35 years)..