Use Experimental Probability to Predict Lesson 14.

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Presentation transcript:

Use Experimental Probability to Predict Lesson 14

1. Nano rolled a number cube 24 times. How many times would you predict he rolled a “3”? 2. Jen randomly placed 5 black socks, 4 brown socks, and 6 blue socks in her drawer. Find the probability that she picks a black sock if she chooses one sock from the drawer without looking. 3. Solve the proportion:.

Park Rangers estimated the number of deer in Wallowa State Park. The rangers tagged 20 deer in campgrounds and near hiking trails. The following week they recaptured 300 deer, 15 of which were tagged. Estimate the total number of deer in Wallowa State Park.  Let x = total number of deer. Write a proportion.  Use cross products to solve. 15x = 6000 x = 400  There are about 400 deer in Wallowa State Park.

Today at batting practice Lou hit 12 home runs out of the 40 pitches thrown to him. Use experimental probability to predict how many home runs he will hit tomorrow if he gets 30 pitches.  Let x = number of homeruns hit tomorrow. Write a proportion.  Use cross products to solve. 40x = 360 x = 9  He should hit about 9 homeruns tomorrow.

Grace hit 12 balls in the batting cage out of 20 pitches. Tomorrow she is going to go to the same batting cage and get 30 pitches. Use experimental probability to predict how many of the 30 pitches she will hit.

Suppose you “tagged” 10 penguins from a group of 40 penguins spotted in a certain area. How can you use this to estimate the total number of penguins in the area next month?

Target: Predict an outcome using experimental and theoretical probability.