6(8)+b/6
48+b/6
b/6=-48
b=-48/6
b=-288
Answer:
Pr(X >42) = Pr( Z > -2.344)
= Pr( Z< 2.344) = 0.9905
Step-by-step explanation:
The scenario presented can be modeled by a binomial model;
The probability of success is, p = 0.65
There are n = 80 independent trials
Let X denote the number of drivers that wear a seat belt, then we are to find the probability that X is greater than 42;
Pr(X > 42)
In this case we can use the normal approximation to the binomial model;
mu = n*p = 80(0.65) = 52
sigma^2 = n*p*(1-p) = 18.2
Pr(X >42) = Pr( Z > -2.344)
= Pr( Z< 2.344) = 0.9905
Answer:
108x + 29
—————
180
Step-by-step explanation:
Answer: straight line across on the y axis on -2/3
Step-by-step explanation:
You need to work inside out.
simplifies to
.
Now you need to cube that.
Therefore the solution is
.
