Answer:
The probability that all will last at least 30,000 miles is 0.3164.
Step-by-step explanation:
Consider the provided information.
For a particular tire brand, the probability of wearing out before 30,000 miles is 0.25. Someone who buys a set of four of these tires,
That means the probability of not wearing out is 1-0.25 = 0.75
Now use the binomial distribution formula.

Substitute p = 0.25, q=0.75, r=4 and n=4



The probability that all will last at least 30,000 miles is 0.3164.
Answer: The constant of proportionality is 5 because the equation would be y=kx but instead of k it has 5.
Answer:
1914
Step-by-step explanation:
interest for one year = 33
interest of 8 years = 264
1650+264 will be in the account in 8 years.
Answer:
y = 1/2x + 8
Step-by-step explanation:
y2 - y1 / x2 - x1
9 - 10 / 2 - 4
-1 / -2
= 1/2
y = 1/2x + b
10 = 1/2(4) + b
10 = 2 + b
8 = b
No it would be 7 times 5 and then you would get 35