2a. According to a Pew Research survey, about 25% of American adults are pessimistic about the future of marriage and the family
1 answer:
Answer: 0.4181807
Step-by-step explanation:
Probability that American adults are pessimistic about the future of marriage and the family: p= 0.25
Sample size n= 20
Let be the sample proportion of American adults that are pessimistic about the future of marriage and the family.
Hence, the required probability = 0.4181807
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Answer:
L(f(t)) =
Step-by-step explanation:
let f be a function defined for t ≥ 0
we can write the function f(t) in terms of unit function as follows
f(t) = 2 u,(t) - 1 where
0≤ t < 1
f(t) = (2 * 0) -1 = -1
when t ≥ 1
f(t) = (2*1 )- 1 = 1
Now the Laplace transform L(F(T)) = 2L( u, (t) ) - L(1) --------equation 1
this is because L(u,(t)) =
c = 1 hence L(1) = 1/s
back to equation 1
L(f(t)) = 2 - 1/s laplace transform
also L(u(t) ) =