Answer:
a) 62
b) 31/45
Step-by-step explanation:
a) The table tells you there are 42 males, and 20 more females that study biology.
42 +20 = 62 . . . are male or study biology or both
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b) Of the total of 90 people, 62 are male or study biology (or both). The probability that any person is in that category is ...
62/90 = 31/45 = P(male or biology)
Answer: -8, -7, -6, -5, -4
Step-by-step explanation:
Where is the rest of the problem?
Answer:
Step-by-step explanation:
the sum and product of two rational number

Answer:

Step-by-step explanation:
- <em>Take into account that a population data set contains all members of the group and a sample data set contains only a subpart of the group.</em>
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- <em>In this case, Ms. Smith can take the scores of all students of the math class, due to this group is not enough big to consider to take a subpart.</em>
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<u><em>Hence, Ms. Smith should consider her data as a population data set.</em></u>