Each respondent was given a score, from 1 to 15, on his or her knowledge of the COFLU-20. A score from 1 to 7 was considered to indicate 'poor' knowledge, 8 to 11 indicated 'satisfactory' knowledge and 12 to 15 indicated good knowledge. Table 2 below shows the knowledge level of respondents, by age group. Table 2 Age Group Knowledge Level Total Poor Satisfactory Good 18 - 25 33 16 13 62 26 - 34 30 18 12 60 35 - 44 29 14 12 55 45 - 54 36 16 18 70 55 - 75 Total 17 14 22 53 145 78 77 300 (c) Using Table 2, assist the researcher to calculate the probability that a randomly selected respondent: ) is below 35 years of age and has good knowledge of the COFLU-20 [2 marks] (ii) is below 35 years of age or has good knowledge of the COFLU-20 [3 marks]
Each respondent was given a score, from 1 to 15, on his or her knowledge of the COFLU-20. A score from 1 to 7 was considered to indicate 'poor' knowledge, 8 to 11 indicated 'satisfactory' knowledge and 12 to 15 indicated good knowledge. Table 2 below shows the knowledge level of respondents, by age group. Table 2 Age Group Knowledge Level Total Poor Satisfactory Good 18 - 25 33 16 13 62 26 - 34 30 18 12 60 35 - 44 29 14 12 55 45 - 54 36 16 18 70 55 - 75 Total 17 14 22 53 145 78 77 300 (c) Using Table 2, assist the researcher to calculate the probability that a randomly selected respondent: ) is below 35 years of age and has good knowledge of the COFLU-20 [2 marks] (ii) is below 35 years of age or has good knowledge of the COFLU-20 [3 marks]
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
Related questions
Question
![Each respondent was given a score, from 1 to 15, on his or her knowledge of the COFLU-20. A
score from 1 to 7 was considered to indicate 'poor' knowledge, 8 to 11 indicated 'satisfactory'
knowledge and 12 to 15 indicated good knowledge. Table 2 below shows the knowledge level of
respondents, by age group.
Table 2
Age Group
Knowledge Level
Total
Poor
Satisfactory
Good
18 - 25
33
16
13
62
26 - 34
30
18
12
60
35 - 44
29
14
12
55
45 - 54
36
16
18
70
55 - 75
Total
17
14
22
53
145
78
77
300
(c) Using Table 2, assist the researcher to calculate the probability that a randomly selected
respondent:
) is below 35 years of age and has good knowledge of the COFLU-20
[2 marks]
(ii) is below 35 years of age or has good knowledge of the COFLU-20
[3 marks]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7b26cfd0-4adc-4ffd-a454-6739a9077eec%2Fb20ae5da-9a1b-4063-a309-93ba512e3b4f%2Fbek2517.jpeg&w=3840&q=75)
Transcribed Image Text:Each respondent was given a score, from 1 to 15, on his or her knowledge of the COFLU-20. A
score from 1 to 7 was considered to indicate 'poor' knowledge, 8 to 11 indicated 'satisfactory'
knowledge and 12 to 15 indicated good knowledge. Table 2 below shows the knowledge level of
respondents, by age group.
Table 2
Age Group
Knowledge Level
Total
Poor
Satisfactory
Good
18 - 25
33
16
13
62
26 - 34
30
18
12
60
35 - 44
29
14
12
55
45 - 54
36
16
18
70
55 - 75
Total
17
14
22
53
145
78
77
300
(c) Using Table 2, assist the researcher to calculate the probability that a randomly selected
respondent:
) is below 35 years of age and has good knowledge of the COFLU-20
[2 marks]
(ii) is below 35 years of age or has good knowledge of the COFLU-20
[3 marks]
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