Friday
November 28, 2014

Homework Help: 7th Grade Math Ms. Sue!

Posted by Gabby on Friday, April 19, 2013 at 9:02pm.

Use the information below to answer questions 15.

You can write the letters K-A-N-S-A-S on cards and mix the cards in a hat.
1.
What is the probability of picking an N? (1 point)

one-sixth
one-fifth
five over one
six over one

2.
What is the probability of picking an S? (1 point)

one-sixth
one-half
one-third
two-fourths

3.
What is the probability of picking a vowel? (1 point)

one-sixth
one-half
one-third
two-fourths

4.
What are the odds in favor of picking an S? (1 point)

one-half
four-halves
two-sixths
six-halves

5.
What are the odds against picking an S? (1 point)

one-half
two over one
two-sixths
six-halves

6.

A spinner is divided into 10 equal sections numbered from 1 to 10. You spin the spinner once. Find P(5).
(1 point)

one-third
one-half
one-tenth
one-fourth

7.
A bag contains 7 green marbles and 4 white marbles. You select a marble at random. What are the odds in favor of picking a green marble? (1 point)

7:11
7:4
4:7
3:7

8.
A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. Find P(red, then blue). (1 point)

seventy-seven over one hundred sixty-four
nineteen over forty-one
ninety over one thousand six hundred and eighty-one
forty-five over forty-one
10.
You have four $1 bills, two $5 bills, five $10 bills, and five $20 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill. Find P($1, then $10). (1 point)

nine over thirty-nine
five over sixty-four
three over eighty
one-twelfth

11.
A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jonas picks a fruit at random and does not replace it. Then Beth picks a fruit at random. What is the probability that Jonas gets a peach and Beth gets an apple? (1 point)

fifteen over one hundred eighty-two
eight over twenty-seven
four over ninety-one
fifteen over one hundred ninety-six

12.
The probability of a basketball player hitting a foul shot is one-third. How many shots would you expect her to make in 90 attempts? (1 point)

30
60
3
45

13.
Simplify 8P3. (1 point)

42
336
40,432
56

14.
How many ways can 3 students be chosen from a class of 20 to represent their class at a banquet? (1 point)

6,840
3,420
1,140
2,280

15.
You and 3 friends go to a concert. In how many different ways can you sit in the assigned seats? (1 point)

6 ways
12 ways
24 ways
10 ways

16.
You own 5 pairs of jeans and want to take 2 of them on vacation. In how many ways can you choose 2 pairs of jeans? (1 point)

10 ways
15 ways
4 ways
20 ways



- I will be posting my answers in a sec
(also these are 2 lessons together so it's a bit extensive umm again srry lol)

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