Answer:
B
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
s = 8
1/2s = 4
add the 3 sides
8 + 8 + 4 = 20
Answer:
-6
Step-by-step explanation:
The probability that a single radar set will detect an enemy plane is 0.9. if we have five radar sets, what is the probability that exactly four sets will detect the plane?
Solution: The given random experiment follows binomial distribution with 
Let x be the number of radar sets that will detect the plane.
We have to find 


Therefore, the probability that exactly four sets will detect the plane is 0.3281
$3,062 for 1,000 gallons
3062 ÷ 1000 = <span>3.062
Unit rate:- $3.062 per gallon</span>