1. The cafeteria manager at a middle school wanted to keep track of how many student breakfast and lunches were sold on a Monday
.
A
B <
C
D
2. The following information matrices show the number of breakfasts & lunches sold at a little creek middle school on Monday and the prices of breakfast and lunch
A
B
C
D
3. The following information matrices shows how many of each vehicle type sold and the bonus amount each salesperson receives for selling that type of vehicle for the car dealership for the week.
A
B
C
D (each sold the same number of vehicles) <
4. Consider the following information matrices for the price of clothing at a clothing store
A
B
C
D
5. a movie theater marks up tickets by 10%. use a scalar product to find the marked-up prices. which matrix operation correctly represents this below?
A
B
C
D
A
B <
C
D
2. The following information matrices show the number of breakfasts & lunches sold at a little creek middle school on Monday and the prices of breakfast and lunch
A
B
C
D
3. The following information matrices shows how many of each vehicle type sold and the bonus amount each salesperson receives for selling that type of vehicle for the car dealership for the week.
A
B
C
D (each sold the same number of vehicles) <
4. Consider the following information matrices for the price of clothing at a clothing store
A
B
C
D
5. a movie theater marks up tickets by 10%. use a scalar product to find the marked-up prices. which matrix operation correctly represents this below?
A
B
C
D
1 answer:
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Answer:
The 90% confidence interval for the population proportion of all such firms with this as the primary motivation is (69.96%, 80.04%).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of
, we have the following confidence interval of proportions.
In which
z is the z-score that has a p-value of .
The Corporate Lawyer, a magazine for corporate lawyers, reported that out of 200 firms with employee stock ownership plans, 150 indicated that the primary reason for setting up the plan was tax related.
This means that
90% confidence level
So , z is the value of Z that has a p-value of
, so
.
The lower limit of this interval is:
The upper limit of this interval is:
As percent:
0.6996*100% = 69.96%
0.8004*100% = 80.04%.
The 90% confidence interval for the population proportion of all such firms with this as the primary motivation is (69.96%, 80.04%).