Answer:
The answer is: B) Yes, this is a valid inference because it took a random sample from the neighborhood.
And apart from the random sample, 40% of families agreed with her to attend the parade at least.
Step-by-step explanation:
Answer:
the area of the parallelogram is 120 units
Answer:
Step-by-step explanation:
hello : here is an solution
Leading coefficient : 1 , 0 , -3 ,0 , -3 because : y = 1x4+0x^3 - 3x2+0x - 3
Degree: 4
Answer: The probability is unknown
Step-by-step explanation:
The probability of 8 of the tallest players being selected is unknown because there is not a given number of the number of the tallest players
Answer:
0.49
Step-by-step explanation:
We apply conditional probability to solve this question.
We have Events X and Events Y
P(X) = Probability Christine fails the course = ??? Unknown
P(Y) = Probability Christine finds a tutor
= 0.35
P(Y') = Probability Christine does not find a tutor = 1 - 0.35 = 0.75
P(X|Y) = Decrease in her probability of failing = 0.35
P(X|Y') = Probability that she will fail the course if she does not have a tutor
P(X) = P(X|Y) × P(Y) + P(X|Y') × P(Y')
P(X) = 0.35 × 0.75 + 0.65 × 0.35
P(X) = 0.2625 + 0.2275
P(X) = 0.49
The probability that Christine fails the course is 0.49
