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
Answer:
Step-by-step explanation:
When multiplying fractions, you simply multiply numerator by numerator and denominator by denominator, and if possible, you later simplify the answer.
Hope it helped,
BiologiaMagister
Answer:
50%
Step-by-step explanation:
Sqrt(-108) - sqrt(-3) produces two imaginary terms: -i*sqrt( 36*3) -i*sqrt( 3).
Let's simplify that:
-i [ 6*sqrt(3) - 1*sqrt(3) ] = -i * 5* sqrt( 3) (answer)
Answer:
I think 15
Step-by-step explanation:
Because there are 3 in every 20 and 20 goes into 100 5 times and 5×3=15
