Steve built a square dog pen that has a perimeter of 240 inches. What is the length of one side of Steve's dog pen?
2 answers:
Answer:
60 in
Step-by-step explanation:
We are given that
Steve built a square dog pen of perimeter=240 in
We have to find the length of one side of Steve's dog pen.
To find the value of length of Steve's side we will use the formula of perimeter of square.
We know that
Perimeter of square=
Substitute the values in the given formula
Length of Steve' s dog pen=60 in
Hence, the length of one side of Steve's dog pen=60 in
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Answer:
Probability of a sample that contains exactly two defective parts is .0037 or .37%
Step-by-step explanation:
As we know if P is the probability of achieving k results in n trials then probability formula is P =
In this formula n = number of trials
k = number of success
(n-k) = number of failures
p = probability of success in one trial
q = (1-p) = probability of failure in one trial
In this sum n = 5
k = 2
number failures (n-k) = (5-2) = 3
p = 2% which can be written as .02
q = 98% Which can be written as .98
Now putting these values in the formula
P =
P =
= 5×4×3×2×1/3×2×1×2×1
= 5×2 =10
P = 10×(.02)²×(.98)³
= .0037 or .37%