Question
In: Statistics and Probability
A sample of size 35 will be drawn from a population with mean 17 and standard...
A sample of size 35 will be drawn from a population with mean 17 and standard deviation 4. Use the Cumulative Normal Distribution Table if needed.
Part 1 of 2
Find the probability that x will be greater than 19. Round the final answer to at least four decimal places.
The probability that x will greater than 19 is ____.
Part 2 of 2
Find the 45th percentile of x. Round the answer to at least two decimal places.
The 45th percentile of x is____.
Solutions
orchestra answered 2 years agoRelated Solutions
A sample of size 75 will be drawn from a population with mean 35 and standard...
A sample of size 75 will be drawn from a population with mean 35
and standard deviation 10.Use the Cumulative Normal Distribution
Table if needed.
1) Find the probability that mean=x will be greater than 32.
Round the final answer to at least four decimal places.
2) Find the 65th percentile of mean=x. Round the answer to at
least two decimal places.
A sample of size 82 will be drawn from a population with mean 24 and standard...
A sample of size 82 will be drawn from a population with mean 24
and standard deviation 9. Would it be unusual if the sample mean
was greater than 27? Why or Why not?
A sample of size 42 will be drawn from a population with mean 52 and standard...
A sample of size 42 will be drawn from a population with mean 52
and standard deviation 11.
(a) Is it appropriate to use the normal distribution to find
probabilities for x(bar)?
(b) If appropriate find the probability that x(bar) will be between
53 and 54. Round the answer to at least four decimal places.
(c) If appropriate find the 46th percentile of x(bar). Round the
answer to at least two decimal places.
A sample of size 47 will be drawn from a population with mean 19 and standard...
A sample of size 47 will be drawn from a population with mean 19
and standard deviation 14. Find the probability that will be
greater than 22.
A sample of size 47 will be drawn from a population with mean 19 and standard...
A sample of size 47 will be drawn from a population with mean 19
and standard deviation 14. Find the probability that will be
greater than 22.
A sample of size 34 will be drawn from a population with mean 44 and standard...
A sample of size 34 will be drawn from a population with mean 44
and standard deviation 9.
(a) Is it appropriate to use the normal distribution to find
probabilities for x?
(b) If appropriate find the probability that x will be between 45
and 46. Round the answer to at least four decimal places.
(c) If appropriate find the 38th percentile of mean=x Round the
answer to at least two decimal places.
A sample of size 24 will be drawn from a population with mean 106 and standard...
A sample of size 24 will be drawn from a population with mean
106 and standard deviation 34
(a) Is it appropriate to use the normal distribution to find
probabilities for x?
(b) If appropriate find the probability that x will be less than
94.
(c) If appropriate find the 95th percentile of x
.
A sample of size 23 will be drawn from a population with mean 136 and standard...
A sample of size
23
will be drawn from a population with mean
136
and standard deviation
24
.
(a) Is it appropriate to use the normal distribution to find
probabilities for
x
?
(b) If appropriate find the probability that
x
will be less than
118
.
(c) If appropriate find the
80th
percentile of
x
.
A sample of size 23 will be drawn from a population with mean 136 and standard...
A sample of size
23
will be drawn from a population with mean
136
and standard deviation
24
.
(a) Is it appropriate to use the normal distribution to find
probabilities for
x
?
(b) If appropriate find the probability that
x
will be less than
118
.
(c) If appropriate find the
80th
percentile of
x
.
A sample of size 25 will be drawn from a population with mean 34 and standard...
A sample of size 25 will be drawn from a population with mean 34
and standard deviation 8. Find the probability that x− will be
greater than 36.
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