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mhalmantus

Answered 2021-09-03
Author has **18121** answers

asked 2021-09-10

The weight of trout in a fish farm follows the distribution N (200, 502). A trout is randomly selected.

What is the probability that its weight does not exceed 175g?

What is the probability that its weight does not exceed 175g?

asked 2021-09-14

The weight of trout in a fish farm follows the distribution N (200, 502). A trout is randomly selected.

What is the probability that its weight is greater than 230g?

What is the probability that its weight is greater than 230g?

asked 2021-09-08

The weight of trout in a fish farm follows the distribution N (200, 502). A trout is randomly selected.

What is the probability that its weight is between 225g and 275g?

What is the probability that its weight is between 225g and 275g?

asked 2021-10-31

What is the probability that its weight is between 225g and 275g?

asked 2021-09-15

According to the recent study on world happiness, where participants were asked to evaluate their current lives on a scale from 0 to 10, (0 represents the worst possible life and 10 is the best possible life), the responses were normally distributed with a mean of 6.3 and a standart deviation of 2.5.

What is the probability that a randomly selected study participants response was less than 4?

What is the probability that a randomly selected study participants response was less than 4?

asked 2021-09-13

The porosity of Wara formation is normally distributed with a mean of 18% and a
standard deviation of 4%.

If five core samples selected at random, find the probability that all these cores will have porosity more than 47.6%? comment on your answer.

If five core samples selected at random, find the probability that all these cores will have porosity more than 47.6%? comment on your answer.

asked 2021-09-09

Rivers Casino did an audit of all of their blackjack tables and found that the amount of money collected per night by a certain table has a mean of $6,000, a standard deviation of $200, and is approximately normally distributed.

What is the probability that a table will collect less than $5800 tomorrow night?

What is the probability that a table will collect less than $5800 tomorrow night?