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Mathematics, 04.01.2020 01:31 zookieblu

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1. if two coins are tossed, what is the probability that the first coin will show heads and the second coin will show tails?

a. 1/2

b. 1/4

c. 1/8

d. 1/16

2. which events are not independent?

a. you toss three coins and get one head and one tail.

b. you choose three different ice toppings for a sundae.

c. you draw two colored pencils without replacement and get one red and one yellow.

d. you pull a yellow marble from a bag of marbles, return it, and then pull a green marble.

3.tony works in a factory that produces 1,000 computers each day. when 50 computers were sampled, it was found that 7 were defective. estimate how many defective computers are made each day.

1. 140

2. 7

3. 169

4. 265

4. the probability of winning a game is 25%. how many times should you expect to win if you play 36 times?

a. 3

b. 7

c. 9

d. 11

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