A sample space for the experiment is {A, B, C, D, E, F, G}. Let W represent the event “the card is white”, let S represent “the
card is shaded”, and let L represent “the number is less than 3”. Select all that apply.
A. The event W is {A, C, G}.
B. The event W or L is {A, D, F, G}.
C. The event W and L is {A, G}.
D. The event not L is {B, C, E, F}.
E. P(W or S) = 1
F. P(W and S) = 0
A. The event W is {A, C, G}.
B. The event W or L is {A, D, F, G}.
C. The event W and L is {A, G}.
D. The event not L is {B, C, E, F}.
E. P(W or S) = 1
F. P(W and S) = 0
1 answer:
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Answer:
Step-by-step explanation:
Hello!
The parameter of interest is "the population proportion of people that like soccer A news channel"= p
The hypothesis are:
H₀: p = 0.45
H₁: p ≠ 0.45
To study the population proportion you have to use the approximation of the standard normal distribution:
≈ N(0;1)
A sample of n=30 was taken and surveyed, 18 of those answered positively, then the sample proportion is:
p'= 18/30= 0.6
The statistic under the null hypothesis is:
I hope it helps!