The complete question is as follows:
The admission directory of Big City University has a novel idea. He proposed using the IQ scores of current students as a marketing tool. The university agrees to provide him with enough money to administer IQ tests to 50 students. So the director gives the IQ test to an SRS of 50 of the university’s 5000 freshman. The mean IQ score for the sample is xbar=112. The IQ test he administered is known to have a σ of 15. What is the 95% Confidence Interval about the mean? What can the director say about the mean score of the population of all 5000 freshman?
Answer: The 95% confidence interval about the mean is 
.
The director can say that he is 95% confident that the mean IQ score of the 5000 freshmen lies between 107.84 and 116.16.
We follow these steps to arrive at the answer:
Since the population standard deviation of the IQ test is known, we can use the Z scores to find the confidence interval.
The formula for the confidence interval about the mean is:
In the equation above, X bar is known as the point estimate and the second term is known as Margin of Error.
The Critical Value of Z at the 95% confidence level is 1.96.
Substituting the values in the question in the equation above we have,
Answer:
first find a business idea and make a plan (logo, name, what item ur selling..etc.)
When the organization faces an emergency situation.
Autocratic leadership (or authoritarian leadership) is characterized by a single person taking control of decision making. In an emergency, having a clear leader is sometimes the best option.
Answer:
Expected value of X = -11.09
Explanation:
Expected profit:
= Probability of winning × Amount she wins
= 0.03 × $180
= 5.4
Expected loss:
= Probability of loosing × Amount she paid
= 0.97 × $17
= 16.49
Let X be amount of money Mary wins or loses.
E(X) = Expected profit - Expected loss
= 5.4 - 16.49
= -11.09
Expected value of X = -11.09
That is expected value of loss of $11.09
Answer:
$8,870
Explanation:
Calculation to determine the balance in the allowance for doubtful accounts after bad debt expense is recorded
Using this formula
Balance in the allowance for doubtful accounts=
(Credit sales* Percentage of Credit sales)+Allowance for doubtful accounts credit balance
Let plug in the formula
Balance in the allowance for doubtful accounts= ($458,000*1.5%)+$2,000
Balance in the allowance for doubtful accounts=$6,870+$2,000
Balance in the allowance for doubtful accounts=$8,870
Therefore the balance in the allowance for doubtful accounts after bad debt expense is recorded will be $8,870
