Answer:
828.32
Step-by-step explanation:
865 x (1 - 0.16) x (1 + 0.14) = 828.32
Answer:
They need to find 360 students in total
Step-by-step explanation:
The total amount for fees comes out to be 300$.
To make a profit of 1500, you have to add 1500$ to 300$, since 300 is the cost of the dance.
After adding this together, you get a cost of 1800$.
Divide this amount by the cost of each ticket, which is $5.
Your result is 360; you need 360 students to cover the cost and have a net profit of 1500$
Answer:
The sum of the probabilities is greater than 100%; and the distribution is too uniform to be a normal distribution.
Step-by-step explanation:
The sum of the probabilities of a distribution should be 100%. When you add the probabilities of this distribution together, you have
22+24+21+26+28 = 46+21+26+28 = 67+26+28 = 93+28 = 121
This is more than 100%, which is a flaw with the results.
A normal distribution is a bell-shaped distribution. Graphing the probabilities for this distribution, we would have a bar up to 22; a bar to 24; a bar to 21; a bar to 26; and bar to 28.
The bars would not create a bell-shaped curve; thus this is not a normal distribution.
Answer:
9/81=1/9 The fraction 1/9 is a rational number. All rational numbers can be written as a fraction showing the relationship between two integers.
Step-by-step explanation:
No.
Because, when to do some sort of analysis (such as this one), you need to take (for example) a RANDOM SAMPLE from the POPULATION of the problem that is being analyzed. In this example (problem), Pete wants to evaluate OVERALL satisfaction of customers, so he should NOT send the surveys ONLY to the customers who have purchased the LARGEST number of items, but to the randomly selected customers, in order to obtain REPRESENTATIVE results of the OVERALL satisfaction. If he sends the surveys only to the customers who have bought the largest number of items, he will obtain VERY HIGH satisfaction of customers, as results, of course, and this will not be representative results.
