Unit 4 Probability
Presentation
•
Mathematics
•
7th Grade
•
Hard
Joseph Anderson
FREE Resource
3 Slides • 5 Questions
1
Unit 4 Pre-Algebra- biased,probability/other Study Guide Pt1
2
5 Questions are for Part 1.
Part 2 Questions Link:
3
Multiple Choice
Write an example of a biased survey question.
Biased Survey Question: Turkey, Tuna. (Other Food Related)
Biased Survey Question: Best Brand Cars or Computers.
Biased Survey Question: Turkey, Tun. (Other Food Related)
None of Above.
4
Multiple Choice
What is an example of a random sample (How would you collect data for it to be random?)
1. Wide range of people (EX: Diffrerent ages or other)
2. People with No Biased.
1. Wide range of people (EX: Diffrerent ages or other)
2. People with unbiased.
None of Above
1. Limited amount of people
2..People with No Biased.
5
Multiple Choice
Matt wants to find the number of goats in a feild by his house. He catches 63 of them, puts and ear band on each, and puts them back in the field. The next week, he catches 80 goats. Of those 80 goats, 22 have ear bands. Based on this information, what is a reasonable estimate of the number of goats in the field?
None of Above
x=229 goats in the field.
x=229.09090... goats in the field.
x=229 goats in the ear field.
6
Multiple Choice
The box plots show the heights of boys and girls in seventh grade. Based on the interquetrile range compare the heights.
a. Heights of girls varied more thna the heights of boys,
b. The heights of the boys varied more than the heights of girls.
c. The heights have similar variablity.
Noen of Above.
7
Multiple Choice
To count the population of ducks in a pond, scientists captured, marked, and released 25 ducks.
a. Suppose that of 300 ducks scientists capture during the second round, 15 were marked.
Estimate the population of ducks in the pond.
Noen of Above
x=500 ducks in the pon.
x=500 ducks in the pond.
x=-500 ducks in the pond.
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Good luck on the Part 1 Test on 5/6/22!
Unit 4 Pre-Algebra- biased,probability/other Study Guide Pt1
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