The graph below shows the relationship between the number of people in a group and the total cost of admission tickets for a cir
cus
2 answers:
Answer:
Option B is the answer.
Step-by-step explanation:
The graph attached shows the relation between the numbers of people in a group and cost of the tickets.
Slope of this line will represent the unit rate of admission ticket.
Since this line passes passes through two points (0, 0) and (1, 15)
Therefore, slope of the line will be =
=
= 15
Therefore, $15 is the cost of one admission ticket and (1, 15) is the point showing unit rate.
Option B will be the answer.
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Using confidence interval concepts, it is found that:
a) The point estimate is the sample mean.
b) The confidence interval is:
c) If $1411 is between the bounds of the interval yes, otherwise no.
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- At item a, it asks to provide a point estimate for the population mean, which is the sample mean
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Item b:
- In the spreadsheet, it is possible to find the <em>standard deviation for the sample</em>, thus, the t-distribution is used.
- The confidence interval will be given by:
In which:
is the sample mean.
- T is the critical value, from the t-distribution, with a two-tailed area of
and n-1 degrees of freedom.
- s is the standard deviation for the sample.
- n is the sample size.
--------------
Item c:
We have to check if 1411 is between and
.
- If it is, the interval includes the National Average, otherwise, it does not.
A similar problem is given at brainly.com/question/24232455
Answer:
Step-by-step explanation:
If a Rectangle has a perimeter of 40 units, then we can write that formula and find the a formula for the coordinates:
Therefore we can say:
Technically when in this rectangle is a square, a degenerate square.