Waec Model Questions Vol1 2017 Biology Question 22
Practice objective / multiple choice question 22 from the 2017 Waec Model Questions Vol1 Biology examination.
A woman has a regular menstrual cycle of 34 days. Ovulation occurs 14 days before the start of the next period. The fertile window consists of the five days ending on the day of ovulation, and the probability of conception from a single act of intercourse on any fertile day is 0.25 (zero on other days). She has unprotected intercourse on day 18 and again on day 20 of her cycle. What is the probability (to two decimal places) that she will conceive from at least one of these acts?
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About This Question
This is Waec Model Questions Vol1 2017 Biology Question 22. It is a objective / multiple choice question from the 2017 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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