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Mathematics, 01.04.2021 19:30 npellot123

OK, I REALLY NEED ALL OF THIS DONE SOON! 1. A bowler knocks down at least 6 pins 70 percent of the time. Out of
200 rolls, how many times can you predict the bowler will knock down at least 6 pins?
2. A tennis player hits a serve that cannot be returned 45 percent of the
time. Out of 300 serves, how many can you predict will not be returned?
3. West Palm Beach, Florida, gets rain about 16 percent of the time. On
how many days out of 400 can residents of West Palm Beach predict they will get rain?
4. Rob notices that 55 percent of the people leaving the supermarket
choose plastic bags instead of paper bags. Out of 600 people, how many can Rob predict will carry plastic bags?
5. A baseball player reaches base 35 percent of the time. How many
times can he expect to reach base in 850 at-bats?
6. Fredericka can make 65 percent of her shots from the free-throw line.
If she shoots 75 times, how many shots can she expect to make?
7. In a current-events class, a professor predicted that at least 78 percent
of students prefer getting their news from a digital source rather than from a print source. He polled 3 classes. The results are shown in the table below.
Class 1 Class 2 Class 3 Digital 20 | 14 | 30 Print 5 10 1 7
In which class(es) did his prediction hold true? Explain.

write as simplified fractions In each even-numbered question, find the theoretical probability. Then use that probability to make a prediction in the odd-numbered question that follows it.
8. Martin flips a fair coin. What is the
9. Martin flips the coin 64 times. How many probability that the coin will land on
times can Martin expect the coin to land heads?
on heads?
10. A spinner is divided into five equal
sections labeled 1 to 5. What is the probability that the spinner will land on 3?
11. If the spinner is spun 60 times, how many
times can you expect the spinner to land on 3?
12. Harriet rolls a number cube. What is the
probability that the number cube will land on 3 or 4?
13. If Harriet rolls the number cube 39 times,
how many times can she expect to roll a 3 or 4?
14. A bag contains 6 red and 10 black
marbles. If you pick a marble from the bag, what is the probability that the marble will be black?
15. If you pick a marble, record its color, and
return it to the bag 200 times, how many times can you expect to pick a black marble?

Make a prediction based on the theoretical probability.
16. Gill rolls a number cube 78 times. How
many times can he expect to roll an odd number greater than 1?
17. Jenna flips two pennies 105 times. How
many times can she expect both coins to come up heads?
18. A shoebox holds a number of disks of the
same size. There are 5 red, 6 white, and 7 blue disks. You pick out a disk, record its color, and return it to the box. If you repeat this process 250 times, how many times can you expect to pick either a red or white disk?
19. Ron draws 16 cards from a deck of 52 cards. The deck is made up of cards of four different colors-red, blue, yellow, and green. How many of the cards drawn can Ron expect to be green?

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