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Statistics and Probability Flashcards | StudBud
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Statistics and Probability
Statistics and Probability
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1
What is the experimental probability of rolling not rolling a 5? Do not reduce your fraction.
62/90
16/90
74/90
26/90
2
True or False: Until recently, McDonald's hamburger contained trace amounts of cockroach for flavor?
True
False
3
True or False: Subway is the largest restaurant chain in the world
True
False
4
Is the conclusion valid?
Valid - you asked random people
Not valid - you did not ask enough people
Not Valid - you only included people at the stadium
5
40,000 total products, Each inspector randomly samples 125 products - What is the variation of the estimates (minor)?
960
1000
1060
900
6
What is the theoretical probability of spinning a 1 and then a 7?
1/81
1/9
1/18
1/15
7
What is the theoretical probability of choosing a blue?
3/5
6/10
1/5
4/10
8
You randomly choose one of the pens shown. What is the theoretical probability of choosing a black pen?
2/5
1/5
4/5
3/5
9
40,000 total products, Each inspector randomly samples 125 products - What is the center of the estimates (minor)?
1760
1840
1650
1600
10
What is the theoretical probability of not choosing a red?
6/10
4/5
3/5
1/5
11
Which is the best restaurant, according to Mrs. Pascale? - this is 100% fact by the way
Carl's Jr
Del Taco
Panda Express
McDonalds
12
What is the experimental probability of rolling a 1 or 2? Do not reduce your fraction.
45/90
12/90
30/90
18/90
13
40,000 total products, Each inspector randomly samples 125 products - Insp. B predicts how many total minor defects?
1,920
0.04
1,600
0.0048
14
Which sample is better for making an estimate? Explain.
A - you chose random students in the class
B - sample A does not have enough students
A - sample B has too many student
15
What is Burger King called in Australia?
Joey's Delight
Aussie O'Hamburger
The Outback Shack
Hungry Jack's
16
You ask 125 random kids to name their fav drink. There are 1500 kids in school. Predict the # of kids whose fav is soda
54,000
36
432
672
17
Under what name did the Domino's Pizza chain get its start?
Pizza Express
Happy Fun Pizza Time USA
Don's Pie Place
DomNick's
18
Biased or Unbiased?
You survey 6 random people at lunch
You survey every 15th person who comes to school
You survey students on the football team.
19
You choose one pen. Your friend chooses one of the remaining pens. What is the probability you both pick a blue pen?
1/5
4/25
1/10
4/9
20
What is the theoretical probability of spinning an even number?
2/9
4/9
5/9
1/3
21
Which of these restaurants has the most fat in their large fries at 71 grams?
Burger King
Shake Shack
Five Guys
Wendy's
22
What are the number of favorable outcomes of choosing a yellow?
3
6
4
5
23
Biased or Unbiased?
Unbiased
Biased - asked too many students
Biased - not random, small sample
24
What is the experimental probability of rolling an odd number? Do not reduce your fraction.
26/90
48/90
42/90
54/90
25
40,000 total products, Each inspector randomly samples 125 products - Insp. A predicts how many total major defects?
0.024
960
0.016
640
