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Probability Q? (1 Viewer)

bongoli

bongoli

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The probability that a rare plant grows to maturity in a nursery is 1/9.

What is the least number of plants that would need to be in the nursery to have at least a 95% chance of one plant reaching maturity?

Cheers
 
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braintic

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bongoli said:
The probability that a rare plant grows to maturity in a nursery is 1/9.

What is the least number of plants that would need to be in the nursery to have at least a 95% chance of one plant reaching maturity?

Cheers
Click to expand...
Chance that no plants reach maturity = 0.05 = (8/9)^n

Then use logs to solve.
 
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