Statistics and probability_11

Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(1) = 

• 3/5
• 1/6
• 2/5
• 1/5

Experimental Probability is:

• What Will happen 

• What actually happens in trials

• What should happen

• What I think Happens

A basket of beads contains 8 red beads, 6 yellow beads, and 6 green beads.  A bead will be drawn from the basket and replaced 150 times.  What is a reasonable prediction for the number of times a green bead is drawn?

• 45
• 60
• 36
• 72

If you toss a coin 10 times and get tails each time, which of the following is true?

• The probability of getting a tail on the next toss is greater than the probability of getting a head.

Drake made 14 out of 20 free throw shots.  About how many out of the next 30 free throw shots would you expect him to make?

• 20
• 21
• 22
• 25

A dice (numbered 1-6) is rolled 20 times.  How many times will a number less than 4 show?

• 5
• 10
• 15
• Never

A town has 35,000 registered voters. A random sample of 500 voters finds that 125 are in favor of a new dog park. How many are likely to vote for the dog park?

• 25

• 125

• 2,625

• 8,750

Jillian rolled a number cube 360 times. About how many times do you expect her to roll a 2?

• 20 
• 180
• 60 
• 120

Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(3) = 

• 3/5
• 1/6
• 2/5
• 1/3

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens