stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
probability questions AS91267 Flashcards | StudBud
Explore
/
probability questions AS91267
probability questions AS91267
13 terms
·
StudBud Administration
·
211 plays
year 12 NZ exam questions AS91267
Flashcards
13 cards
F
Practice quiz
P
Host live
L
Questions
13
Answers
1
Which fraction shows that sports players aren't as likely to be high media users as nonplayers?
0.225/0.408
0.338/0.408
0.225/0.303
0.338/0.434
2
Based on this study, if there were 2000 people, how many would be regular team sports players?
543
540
542
541
3
What's her name?
Lydia
Sarah
Agnes
Marie
4
What percentage of social media high users in the survey are not regular team sport players?
83.5%
79.5%
77.5%
81.5%
5
What's the prob a Y12 student takes between 190 and 205 minutes to play a round of golf?
0.5
0.01915
0.9696
0.4696
6
What proportion of the students in the survey are regular team sport players?
27%
22%
18%
19%
7
Compare the distribution of times for golf with the expected distribution from the guidelines.
bell-shaped like normal, more spread than guidelines
bell-shaped like normal, same spread as guidelines
not bell shaped like normal, more spread than guidelines
not bell-shaped like normal, same spread as guidelines
8
What fraction shows that the risk of being a social high user is about two out of five?
45/200
155/357
200/490
200/290
9
40% of students take more than 195 minutes to play a round of golf. Are the guidelines right?
No, you would expect about 35% if the guidelines are right.
No, you would expect only about 27% if guidelines are right.
Yes, this is about what you would expect.
No, you would expect about 32% if the guidelines are right.
10
Between what times would the middle 80% of Year 12 students take to play a game of golf?
180 to 200 minutes
181 to 200 minutes
182 to 199 minutes
183 to 201 minutes
11
What social media is this person using?
twitter
snapchat
facebook
instagram
12
If 150 Y12 students play golf, how many would be expected to take more than 195 minutes?
30
45
40
35
13
What % of Y12 students are expected to take over 208 minutes to play around of golf?
1.5%
12%
15%
1.2%
