Suppose that in a town, 800 people are selected by random types of sampling methods. 280 go to work by car only, 220 go to work by bicycle only and 140 use both ways – sometimes go with a car and sometimes with a bicycle.
How many people go to work by car only?
How many people go to work by bicycle only?
How many people go by neither car nor bicycle?
How many people use at least one of both transportation types?
How many people use only one of car or bicycle?
For the purposes of a marketing research, a survey of 1000 women is conducted in a town. The results show that 52 % liked watching comedies, 45% liked watching fantasy movies and 60% liked watching romantic movies. In addition, 25% liked watching comedy and fantasy both, 28% liked watching romantic and fantasy both and 30% liked watching comedy and romantic movies both. 6% liked watching none of these movie genres.
How many women like watching all the three movie genres?
Find the number of women who like watching only one of the three genres.
Find the number of women who like watching at least two of the given genres.
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Answer:
Suppose that in a town, 800 people are selected by random types of sampling methods. 280 go to work by car only, 220 go to work by bicycle only and 140 use both ways – sometimes go with a car and sometimes with a bicycle.
How many people go to work by car only?
How many people go to work by bicycle only?
How many people go by neither car nor bicycle?
How many people use at least one of both transportation types?
How many people use only one of car or bicycle?
For the purposes of a marketing research, a survey of 1000 women is conducted in a town. The results show that 52 % liked watching comedies, 45% liked watching fantasy movies and 60% liked watching romantic movies. In addition, 25% liked watching comedy and fantasy both, 28% liked watching romantic and fantasy both and 30% liked watching comedy and romantic movies both. 6% liked watching none of these movie genres.
How many women like watching all the three movie genres?
Find the number of women who like watching only one of the three genres.
Find the number of women who like watching at least two of the given genres.