Javier and his study group designed a word problem, equation, table, and graph that were all supposed to represent the same info
rmation, as shown below.
Word problem: A movie theater charges $8.00 for teach ticket. What is the total cost, y, for x tickets?
Equation: y= 8x
Table:
X.....Y
5....40
8....64
12...96
13...104
*Graph is shown in photo*
Which piece of information does not represent the same information as the three other parts?
A. Word problem
B. Equation
C. Graph
D. Table
Word problem: A movie theater charges $8.00 for teach ticket. What is the total cost, y, for x tickets?
Equation: y= 8x
Table:
X.....Y
5....40
8....64
12...96
13...104
*Graph is shown in photo*
Which piece of information does not represent the same information as the three other parts?
A. Word problem
B. Equation
C. Graph
D. Table
2 answers:
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Answer:
The confidence interval for the mean is given by the following formula:
(1)
The 90% confidence interval for this case would be (38.01, 44.29) and is given.
The best interpretation for this case would be: We are 90% confident that the true average is between $ 38.01 and $ 44.29 .
And the best option would be:
The store manager is 90% confident that the average amount spent by all customers is between S38.01 and $44.29
Step-by-step explanation:
Assuming this complete question: Which statement gives a valid interpretation of the interval?
The store manager is 90% confident that the average amount spent by the 36 sampled customers is between S38.01 and $44.29.
There is a 90% chance that the mean amount spent by all customers is between S38.01 and $44.29.
There is a 90% chance that a randomly selected customer will spend between S38.01 and $44.29.
The store manager is 90% confident that the average amount spent by all customers is between S38.01 and $44.29
Previous concepts
A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".
The margin of error is the range of values below and above the sample statistic in a confidence interval.
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
Solution to the problem
The confidence interval for the mean is given by the following formula:
(1)
The 90% confidence interval for this case would be (38.01, 44.29) and is given.
The best interpretation for this case would be: We are 90% confident that the true average is between $ 38.01 and $ 44.29 .
And the best option would be:
The store manager is 90% confident that the average amount spent by all customers is between S38.01 and $44.29
Answer:
Step-by-step explanation:
Since the arc is of the circumference, then
central angle = × 2π ← angle in whole circle
central angle = =
Answer:
Step-by-step explanation:
Let
x ----> the number of lions
y ----> the number f tigers
z ----> the number of zebras
we know that
----> equation A
Remember that
To find out the number of lions, multiply the total animals by the percentage of lions
To find out the number of zebras, multiply the total animals by the percentage of zebras
Substitute the value of x and the value of z in equation A and solve for y