Again, you play the game where Bianca rolls a die and wins if it shows a 1 or a 2, otherwise you win.  Out of 7 games, how many times does she have to win at least so that you would reject the null hypothesis (that the die is fair, results random) at the 5%-significance level?  You can look up numbers in the Binomial table, but remember that one number is not enough.  You can also use the Online Calculator, but then you need to convert the answer to percent.

Roulette: You bet on numbers 1-18. What's the likelihood of winning after one trial? Explain your answer.

During a basketball game, Sebastián is shooting two free throws. He makes 95% of his free throws. Assuming that his free throws are independent events, find the percent chance that he... (Note: Do not round your answers.) is in the groove and makes both free throws. makes the first and then misses the second. misses the first and then makes the second. struggles and misses both of his free throws. What is the sum of these four answers? % % % do %

Suppose 10% of all redeemed coupons at a supermarket are for 50% off the item purchased. A simulation is used to model a coupon randomly selected and then recorded as 50% off or not 50% off. Which simulation best models the scenario? Place 40 equally sized pieces of paper in a hat. Of the 40, 4 read "50% off" and the rest read "not 50% off ". O Place 30 equally sized pieces of paper in a hat. Of the 30, 6 read "50% off" and the rest read "not 50% off ". O Place 80 equally sized pieces of paper in a hat. Of the 80, 10 read "50% off" and the rest read "not 50% off ". O Place 50 equally sized pieces of paper in a hat. Of the 50, 10 read "50% off" and the rest read "not 50% off ".

qm7 4 Suppose a jar contains 5 red marbles and 19 blue marbles. If you reach in the jar and pull out 2 marbles at random, what is the probability that both are red? % Round to 2 places.

If two events A and B are independent and you know that P(A) = 0.85, what is the value of P(A | B)?

can you answer 27a, b, c

At a county fair, the chance of winning a game is 5% and the prize is a huge stuffed animal. Does that mean that if you play the game 100 times, you will win five of those huge stuffed animals? Explain your thinking.

Of the 125 million households in the U.S., 86 million of them have a pet. If you randomly survey a sample of 6 households, what are the odds that all six of them have a pet?