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In an athletic competition, the probability that an athlete wins a 100m race is 1/8 and the probability that an athlete wins a 100m race is 1/8 and the probability that he wins in high jump is 1/4. What is the probability that he wins only one of the events?
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In an athletic competition, the probability that an athlete wins a 100m race is 1/8 and the probability that an athlete wins a 100m race is 1/8 and the probability that he wins in high jump is 1/4. What is the probability that he wins only one of the events? The Pr. Of winning only one event means it's either he win the 100m race OR the high jump. Rem. OR in probability means addition. 1/8 * (1 - 1/4) + 1/4 * (1 - 1/8) = 1/8 * 3/4 + 1/4 * 7/8 = 3/32 + 7/32 = 10/32 To the Lowest term: Ans = 5/16 Submit a question or another method of solving the above question in the comment section Visit myschool for more solutions Follow Fiero Academy on Instagram
The Probability that Musa passes English, Mathematics and Geography are 1/3, 2/5, and 3/4 respectively. What is the probability of passing all?
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A basket contains 50 eggs, 15 of them are bad. If the egg is taken out, find the probability that it is good.
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If x varies inversely as y and y varies directly as z, what is the relationship between x and z?
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Solve for x and y if x + y = 3 and 3x - y = 1
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Solve for x and y if x + y = 3 and 3x - y = 1 Solution x + y = 3 +(3x - y = 1) We have; 4x = 4 Dividing both side we have X = 1 What's your own way of solving it? Drop it in the comment. Follow Fiero Academy on Instagram Check more solution on myschool You can also learn simultaneous equation fully on themathpage
If Y = (2x + 1)³, find dy/dx
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If Y = (2x + 1)³, find dy/dx Solution Y = (2x + 1)³ Let 2x + 1 = v therefore dv/dx = 2 Y = v³ (Remember 2x + 1 has been replaced with v) dy/dx = 3v² Applying the chain rule formula dy/dx = dy/dx * dv/dx We have: 3v² * 2 3(2x + 1)² * 2 Ans: 6(2x + 1)² Helpful? Let's know what you feel in the comment below See how mytutor solved thesame question Follow Fiero on Instagram
Given that Y = (X + 1)² , find dy/dx
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Given that y = (x + 1)² find dy/dx Solution Expanding our question: Y = (x + 1)² = y (x + 1)(x + 2) Multiplying our expanded question we have: X² + 2x + 1 Now differentiating: X² + 2x + 1 dy/dx = 2x + 2 Is this answer helpful? Drop a comment below For more mathematics questions visit my school Can you solve it with chain rule? Let's see! Drop it in the comment Follow Fiero on Instagram
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