3 years ago

in the class of 10 students the probability of them passing sst206 is 1/3. then find the probability of a student passing

1 answer:

8 0

If you have a 1/3 (33.3%) of the the class passes, that means 2/3 (66.6%) of the class will not pass. This means for every 3 students, only 1 will pass. They have a 11.1% chance of passing!

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2 years ago

The operation manager at a tire manufacturing company believes that the mean mileage of a tire is21,009 miles with a variance of

max2010maxim [7]

The probability that the sample mean would differ from the population mean by less than 655 miles in a sample of 79 tires if the manager is correct is = 0.9805.

<h3>

What is the calculation for the above?</h3>

P ( $\bar{x}$ < 655) ≡ P [ |( $\bar{x}$ - μ)/√(σ²/n) | <655/√(6,220,036/ 79)]