A 21,000 gallon swimming pool contains 9000 gallons of water when a hose is placed into the pool and begins adding water at a ra
2 answers:
Answer:
<h2>It would take 8 hours to reach the maximum capacity of the swimming pool.</h2>Step-by-step explanation:
We know that:
- Pool's capacity is 21,000 gallons.
- Already contains 9,000 gallons of water.
- The hose is adding water at a rate of 1500 gallons per hour.
So, the pools needs 12,000 gallons more to be full. So, to solve the problem we could apply the rule of three. If 1500 gallons takes 1 hour, how much time would take 12,000 gallons:
So, using a linear model, it would take 8 hours to reach the maximum capacity of the swimming pool.
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Answer:
a) P(x) = 0.67
b) P(y) = 0.67
c) P(x=4) = 0.3325
d) P( x = 0 ) = 0.0039
e) The fact that the rise and fall of the stock market relies on market sentiments violates independence used in Binomial distribution and the years are independent
Step-by-step explanation:
A) The probability that the stock market will rise next year = P(x) = 0.67
assuming next year to be X
B) Probability that the stock market will rise the year after next year
= P(y) = 0.67 and this is because the probability is independent of that of the previous years
C) Probability that the stock market will rise in four of the next five years
= P(x=4) = 0.3325
D) probability that the stock market will rise in none of the next five years
= P( x = 0 ) = 0.0039
E) The fact that the rise and fall of the stock market relies on market sentiments violates independence used in Binomial distribution and the years are independent
