Hello everyone. Can you please help me with these? QUESTION 1 On each of three c

Question

Hello everyone. Can you please help me with these?

QUESTION 1

On each of three consecutive days the National Weather Service announces that there is a 50-50 chance of rain. Assuming that the National Weather Service is correct, what is the probability that it rains on at most one of the three days? (Hint: Represent the outcome that it rains on day 1 and doesn’t rain on days 2 and 3 as RNN.)

50%

33%

37.5%.

None of the above.

QUESTION 3

Let A = {3, 4, 5, 6, 7} and define a relation R on A as follows: for all x, y A, x R y 2 | (x y).

Is 4 R 6?

True= yes, False = no.

True

False

QUESTION 10

{5} {{1}, {3}, {5}}

True or False

True

False

QUESTION 8

The contrapositive of “If Ed is Sue’s father, then Liu is Sue’s cousin.” is "If Liu is not Sue’s cousin, then Ed is not Sue’s father."

True/False

True

False

50%

33%

37.5%.

None of the above.

QUESTION 3

Let A = {3, 4, 5, 6, 7} and define a relation R on A as follows: for all x, y A, x R y 2 | (x y).

Is 4 R 6?

True= yes, False = no.

True

False

QUESTION 10

{5} {{1}, {3}, {5}}

True or False

True

False

QUESTION 8

The contrapositive of “If Ed is Sue’s father, then Liu is Sue’s cousin.” is "If Liu is not Sue’s cousin, then Ed is not Sue’s father."

True/False

True

False

Explanation / Answer

The contrapositive of “If Ed is Sue’s father, then Liu is Sue’s cousin.” is "If Liu is not Sue’s cousin, then Ed is not Sue’s father." False.

{5} {{1}, {3}, {5}} TRUE.

1.The required probbility is 50%.

Related Questions

Navigate

• Browse (All)
• Browse H
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.