Question

A) Describe the sampling distribution of

Modifying Above p with care tp.

Round to three decimal places when necessary.

N=12,000,

n=450,

p=0.3

B) assume that blood pressure readings are normally distributed with a mean of

124

and a standard deviation of

6.4. If 64 people are randomly selected, find the probability that their mean blood pressure will be less than 126.

Round to four decimals

C)

The average score of all golfers for a particular course has a mean of

71

and a standard deviation of 55. Suppose 100golfers played the course today. Find the probability that the average score of the 100 golfers exceeded

72. Round to four decimal places.

Answer #1

The average score of all golfers for a particular course has a
mean of 73 and a standard deviation of 5. Suppose 100 golfers
played the course today. Find the probability that the average
score of the 100 golfers exceeded 74. Round to four decimal
places.

1. the average score of all golfers for a particular
course has a mean of 77 and a standard deviation of 3.5. supposed
49 golfers played the course today. find the probability that the
average score if the 49 golfers exceeded 78. round to four decimal
places

The average score of all pro golfers for a particular course has
a mean of 70 and a standard deviation of 3.0. Suppose 36 golfers
played the course today. Find the probability that the average
score of the 36 golfers exceeded 71.

Assume that blood pressure readings are normally distributed
with a mean of 124 and a standard deviation of 8. If 100 people are
randomly selected, find the probability that their mean blood
pressure will be less than 126. Round to four decimal places.
A. 0.9998
B. 0.0062
C. 0.8615
D. 0.9938

The
average score of all golfers for a particular course has a mean of
61 and a standard deviation of 3.5. Suppose 49 golfers played the
course today. Find the probability that the average score of the 49
golfers exceeded 62
a) 0.3707
b) 0.0228
c) 0.1293
d) 0.4772

Assume that blood pressure readings are normally distributed
with a mean of 118 and a standard deviation of 6.4 . If 64 people
are randomly? selected, find the probability that their mean blood
pressure will be less than 120 . Round to four decimal places.

1. Find P(Z < -1.54). Round off to 4 decimal
places.
2. Find P(Z > 1.45). Round off to 4 decimal
places.
3. Find P(-1.54 < Z < 1.45). Round off to 4
decimal places.
4. The monthly electric bills in a city are normally
distributed with a mean of $125 and a standard deviation of $22.
Find the x-value corresponding to a z-score of 1.65.
5. Find z if P(Z < z) = 0.028.
6. The weights of bags...

Describe the sampling distribution of p. Assume the size of the
population is 30,000
n=1400, p=0.444
Determine the mean of the sampling distribution of p.
mean=? (round to three decimal places as needed)
Determine the standard deviation of the sampling distribution of
p.
std dev.=?? (round to three decimal places as needed)

Historically, the average score of PGA golfers for one round is
71.1 with a standard deviation of 3.05. A random sample of 73
golfers is taken. What is the probability that the sample mean is
greater than 71? Question 9 options: 1) 0.4869 2) 0.6103 3) 0.3897
4) 0.5131 5) -0.0746

Consider a sampling distribution with
p equals 0.13p=0.13
and samples of size n each. Using the appropriate formulas,
find the mean and the standard deviation of the sampling
distribution of the sample proportion.
a. For a random sample of size n=5000.
The standard deviation is ____ (Round to four decimal places as
needed)
b. For a random sample of size n=1000.
The standard deviation is ____ (Round to four decimal places as
needed)
c. For a random sample of size...

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