Thursday
April 17, 2014

Homework Help: 7th Grade Math Ms. Sue Plz Help

Posted by Gabby on Wednesday, April 17, 2013 at 4:28pm.

1.
You flip a coin 30 times and get heads 11 times, so the chance of getting heads is eleven over thirty . Is this an example of theoretical or experimental probability? (1 point)

theoretical
experimental

2.
You have made 3 out of 10 of your last free throws. How many free throws can you expect to make if you shoot 100 free throws? (1 point)

30
50
60
75

Use the information below to answer questions 36.

Suppose you write the letters M-I-S-S-I-S-S-I-P-P-I on cards and mix them in a hat. You choose one card from the hat without looking.
3.

What is the probability of picking a P?
(1 point)

four-elevenths
two-elevenths
four-sevenths
seven-fourths

4.
What is the probability of picking an S? (1 point)

four-elevenths
two-elevenths
four-sevenths
seven-fourths

5.
What is the probability of picking a vowel? (1 point)

four-elevenths
two-elevenths
four-sevenths
seven-fourths

6.
What are the odds in favor of picking an S? (1 point)

4:11
2:11
4:7
7:4

7.
You roll a pair of number cubes and then flip a coin. Is this an example of independent or dependent events? (1 point)

independent
dependent

8.
There are 5 different cookies in a bag. One of them is your favorite, chocolate chip. What is the probability that you will not get your favorite? (1 point)

one-fifth
two-fifths
twenty-four over twenty-five
four-fifths

9.
A basket contains 5 green lollipops, 12 red lollipops, and 7 orange lollipops. When a lollipop is taken from the basket, it is not replaced. What is P(orange, then orange)? (1 point)

forty-two over five hundred seventy-six
forty-two over five hundred fifty-two
seven-twenty-fourths
fourteen over forty-eight

10.
The letters in the word Paris are written on slips of paper and placed in a bag. Each letter will be put back after it is drawn. What is P(r, then vowel)? (1 point)

one-fifth
two-fifths
three-fifths
two over twenty-five


My Answers:
1)A
2)A
3)B
4)A
5)A
6)A
7)A
8)B
9)D
10)A

Are these correct?
(I'm not to good with these lol)

.

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