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Taya2010 [7]
3 years ago
6

James surveyed people at school and asked whether they bring their lunch to school or buy their lunch at school more often. The

results are shown below.
Bring lunch: 46 males, 254 females
Buy lunch: 176 males, 264 females
The events "male” and "buys lunch” are not independent because
P(buys lunch | male) = P(male) = 0.4.
P(male | buys lunch) = P(male) = 0.3.
P(buys lunch | male) = 0.3 and P(male) = 0.4.
P(male | buys lunch) = 0.4 and P(male) = 0.3.
Mathematics
2 answers:
den301095 [7]3 years ago
6 0

Answer:

D. P(male | buys lunch) = 0.4 and P(male) = 0.3.

Step-by-step explanation:

tamaranim1 [39]3 years ago
3 0
46 + 176 = 222 males
254 + 364 = 518

Which is  total of 740 people.

The probability of being male is 0.3

46 + 254 = 300 that bring lunch
176 + 264 = 440 that buy their lunch 
P(male | buy lunch ) = 0.4

Answer D 
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