For each earring, the number of beads is \(3+1+2=6\)

There are 2 earrings in a pair and since Zoe needs to make 8 pairs, there are a total of \(2(8)=16\) earrings. Hence, the total number of beads Zoe needs to buy is:

\(16(6)=96\)

Question

asked 2021-04-25

Individual A has a red die and B has a green die (both fair).If they each roll until they obtain five "doubles" (1-1,....,6-6),what is the pmf of X= the total number of times a die is rolled?What are E(X) and V(X)?

asked 2021-08-10

One of the wagers in roulette is to bet that the ball will stop on a number that a multiple of 3. (The roulette wheel Includes the numbers 0,00and 1 - 36 . and 00 are not considered multiples of 3.) If the ball stops on such a number, the player wins double the amount bet. What is the probability of winning this bet? (Write your answer as a fraction.)

asked 2021-08-06

The function f(x) is the total amount spent at a store, when purchasing x items that are $5 each and the items are not taxable.

What is the practical domain for the function f(x)?

1) all positive integers

2) all real numbers

3) all whole numbers

4) all positive integers that are multiples of 5.

What is the practical domain for the function f(x)?

1) all positive integers

2) all real numbers

3) all whole numbers

4) all positive integers that are multiples of 5.

asked 2021-05-11

Lee has saved 65% of the money she needs to buy a pair of jeans that cost $24. How much money does Lee have, and how much more money does she need to buy the jeans?