Answer:65 inches
Step-by-step explanation:
15+14+36=65
Meyer will need 15 loads of gravel to cover his entire driveway.
Answer:
p=7
Step-by-step explanation:
4p+5=33
33-5=28
4p=28
28/4=7
p=7
4(7)+5=33
28+5=33
Both of these conditions must be true in order for the assumption that the binomial distribution is approximately normal. In other words, if
and
then we can use a normal distribution to get a good estimate of the binomial distribution. If either np or nq is smaller than 5, then a normal distribution wouldn't be a good model to use.
side note: q = 1-p is the complement of probability p
D. After 150 minutes, the 5 cent one is more.
Hope this helps!