Suppose all people can be classified as either left-handed or right-handed. According to the current data, 80% are right-handed and that 50% of them are male. Of those who are left-handed, 60% are male. - What proportion of people are left-handed? a) 20% b) 40% c) 80% - What percentage of the whole population are female and right-handed? a) 0.8x(1-0.5) b) 0.6x(1-0.5) c) (1-0.8)x(1-0.6) - What percentage of the whole population are female and left-handed? a) (0.8)x(1-0.5)+(1-0.8)x(1-0.6) b) (0.8)x(0.5)+(1-0.8)x(0.6) c) (1-0.8)x(0.6) d) (1-0.8)x(1-0.6)
Suppose all people can be classified as either left-handed or right-handed. According to the current data, 80% are right-handed and that 50% of them are male. Of those who are left-handed, 60% are male. - What proportion of people are left-handed? a) 20% b) 40% c) 80% - What percentage of the whole population are female and right-handed? a) 0.8x(1-0.5) b) 0.6x(1-0.5) c) (1-0.8)x(1-0.6) - What percentage of the whole population are female and left-handed? a) (0.8)x(1-0.5)+(1-0.8)x(1-0.6) b) (0.8)x(0.5)+(1-0.8)x(0.6) c) (1-0.8)x(0.6) d) (1-0.8)x(1-0.6)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Suppose all people can be classified as either left-handed or right-handed. According to the current data, 80% are right-handed and that 50% of them are male. Of those who are left-handed, 60% are male.
- What proportion of people are left-handed?
a) 20%
b) 40%
c) 80%
- What percentage of the whole population are female and right-handed?
a) 0.8x(1-0.5)
b) 0.6x(1-0.5)
c) (1-0.8)x(1-0.6)
- What percentage of the whole population are female and left-handed?
a) (0.8)x(1-0.5)+(1-0.8)x(1-0.6)
b) (0.8)x(0.5)+(1-0.8)x(0.6)
c) (1-0.8)x(0.6)
d) (1-0.8)x(1-0.6)
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