If x is a binomial random variable, compute the mean, the standard deviation, and the variance for each of the following cases: (a) n=3,p=0.9
μ=
σ2=
σ=
(b) n=3,p=0.7
μ=
σ2=
σ=
(c) n=5,p=0.8
μ=
σ2=
σ=
(d) n=4,p=0.8
μ=
σ2=
σ=

step-by-step explanation:

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168