Question
In: Statistics and Probability
A waiter believes the distribution of his tips has a model that is slightly skewed to...
A waiter believes the distribution of his tips has a model that is slightly skewed to the left, with a mean of $9.50 and a standard deviation of $5.30. He usually waits on about 50 parties over a weekend of work.
a) Estimate the probability that he will earn at least $600.
b) How much does he earn on the best 5% of such weekends?
Solutions
orchestra answered 2 years agoRelated Solutions
A waiter believes the distribution of his tips has a model that is slightly skewed to...
A waiter believes the distribution of his tips has a model that
is slightly skewed to the left, with a mean of $8.50 and a
standard deviation of $4.10. He usually waits on about 30 parties
over a weekend of work.
Round to 4 decimal places
a) Estimate the probability that he will earn at least $300.
b) How much does he earn on the best 10% of such weekends?
A waiter believes the distribution of his tips has a model that is slightly skewed to...
A waiter believes the distribution of his tips has a model that
is slightly skewed to the right, with a mean of $8.20 and a
standard deviation of $5.80. He usually waits on about 40 parties
over a weekend of work.
a) Estimate the probability that he will earn at least
$450.
b) How much does he earn on the best 5% of such weekends?
Show work on TI-84
A waiter believes the distribution of his tips has a model that is slightly skewed to...
A waiter believes the distribution of his tips has a model that
is slightly skewed to the right, with a mean of $12.50 and a
standard deviation of $8.40. He usually waits on about 70 parties
over a weekend of work. a) Estimate the probability that he will
earn at least $900. b) How much does he earn on the best 10% of
such weekends? How would this be done on a ti-84 plus CE
calculator?
A waiter believes the distribution of his tips has a model thatis slightly skewed to...
A waiter believes the distribution of his tips has a model that
is slightly skewed to the left, with a mean of $8.40 and a
standard deviation of $4.20. He usually waits on about 60 parties
over a weekend of work. a) Estimate the probability that he will
earn at least $600. b) How much does he earn on the best 5% of
such weekends?
2) A waiter believes the distribution of his tips has a model that is slightly skewed...
2) A waiter believes the distribution of his tips has a model
that is slightly skewed to the right, with a mean of $9.60 and a
standard deviation of $5.40.
a) Explain why you cannot estimate the probability that the
next 4 parties will tip an average of at least $15.
b) On an average weekend, he serves 40 tables. Estimate the
probability that he will earn at least $12.50 per table on such
weekends.
c) How much does he...
A waitress believes the distribution of her tips has a model that is slightly skewed to...
A waitress believes the distribution of her tips has a model
that is slightly skewed to the right, with a mean of $10.70 and a
standard deviation of $4.40. She usually waits on about 60 parties
over a weekend of work.
a) Estimate the probability that she will earn at least
$750.
b) How much does she earn on the best 1% of such
weekends?
A waitress believes the distribution of her tips has a model that is slightly skewed to...
A waitress believes the distribution of her tips has a model
that is slightly skewed to the left, with a mean of $9.20 and a
standard deviation of $5.80. She usually waits on about 30 parties
over a weekend of work.
A) Estimate the probability that she will earn at least
$350.
B) How much does she earn on the best 10% of such weekends?
Suppose X a population has a distribution that is skewed to the right and µ =400...
Suppose X a population has a distribution that is skewed to the
right and µ =400 and σ =24. If a random sample of size 144 is drawn
from the population:
a) What is the name of theorem that allows us to
solve this problem? ___________
b) What is the reason that we use that theorem in
this case? ___________
c) Compute P(x̄ > 397)
___________
In part c, x̄ is the sample mean.
show work please
Suppose X a population has a distribution that is skewed to the right and µ =400...
Suppose X a population has a distribution that is skewed to the
right and µ =400 and σ =24. If a random sample of size 144 is drawn
from the population: (Show work)
a) What is the name of theorem that allows us to solve this
problem? ___________
b) What is the reason that we use that theorem in this case?
___________
c) Compute P( > 398) ___________ In part c, is the sample
mean.
The TEST grade of a statistics class has a skewed distribution with mean of 79 and...
The TEST grade of a statistics class has a skewed distribution
with mean of 79 and standard deviation of 8.2. If a random sample
of 35 students selected from this class, then what is the
probability that average TEST grade of this sample is between 76
and 82? Answer: (round to 4 decimal places)
The average amount of water in randomly selected 16-ounce
bottles of water is 15.87 ounces with a standard deviation of 0.55
ounces. If a random sample...
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