Question

6.Suppose you have a drawer full of white, black, and yellow pairs of socks. If the probability of picking a white pair of socks is 4/9, and the probability of picking a black pair of socks is 7/18, what is the probability of picking a yellow pair of socks?
a. 1/6
b 5/25
c 7/15
d 16/27
suppose the probability that it rains in the next two days is 1/3 for tomorrow and 1/6 for the day after tomorrow.What is P(rain tomorrow, then rain the day after tomorrow)?
A. 1/2
B.1/18***
C.2/9
D.1/9
Elizabeth has two identical number cubes. Both cubes have faces numbered 1 through 6. If elizabeth rolls each cube once, what is the probability that the sum of the two numbers on the top faces will be 10?
A. 1/36
b 1/12
c. 1/10
d 1/9
how many different arrangements can be made with the letters from the word TOPIC?
a. 3,125
b. 10
c.24
d.120
Ariel wants to choose 5 players for her basketball team. There are 7 players to choose from.How many different teams can Ariel make?
A. 21
B.32
c.42
D.56
Write the number of permutations in factorial form, then simplify. How many differnet ways can you and four of your friends sit in the backseat of a limousine?
A. 4!;24
b.4!120
C.5! 120
D. 5! 720

Answer 1

my answers r
1,d
2,c
3,a
4.c
5.b
6.d

Answer 2

Your answers don't go with your questions. Your first question is 6 while your last answer is 6.

Answer 3

I already answered most of these.

Answer 4

Ariel wants to choose 5 players for her basketball team. There are 7 players to choose from.How many different teams can Ariel make?
A. 21
B.32
c.42
D.56
===============================
combinations in grade seven?
C(n,r) = n!/[r!(n-r)!]
= 7!/[5!(2!)]
= 7*6/2
=21
========================
Write the number of permutations in factorial form, then simplify. How many differnet ways can you and four of your friends sit in the backseat of a limousine?
A. 4!;24
b.4!120
C.5! 120
D. 5! 720
There are 5 of you.
Order does not matter so permutations of 5 taken 5 at a time
5!
=5*4*3*2 = 120

Answer 5

Write the number of permutations in factorial form, then simplify. How many differnet ways can you and four of your friends sit in the backseat of a limousine?
A. 4!;24
b.4!120
C.5! 120
D. 5! 720
There are 5 of you.
Order does matter so permutations of 5 taken 5 at a time
5!
=5*4*3*2 = 120