MAT 540 week 2 quiz

QUESTION 1

Parameters are known, constant values that are
usually coefficients of variables in equations.

True

False

2 points

QUESTION 2

If variable costs increase, but price and fixed
costs are held constant, the break even point will decrease.

True

False

2 points

QUESTION 3

Probabilistic techniques assume that no uncertainty
exists in model parameters.

True

False

2 points

QUESTION 4

In general, an increase in price increases the break
even point if all costs are held constant.

True

False

2 points

QUESTION 5

A continuous random variable may assume only integer
values within a given interval.

True

False

2 points

QUESTION 6

A binomial probability distribution indicates the
probability of r successes in n trials.

True

False

2 points

QUESTION 7

If events A and B are independent, then P(A|B) =
P(B|A).

True

False

2 points

QUESTION 8

A model is a functional relationship that includes:

variables

parameters

equations

all of the above

2 points

QUESTION 9

The purpose of break-even analysis is to determine
the number of units of a product to sell that will

appeal to the consumer

result in a profit

result in a loss

result in zero profit

2 points

QUESTION 10

EKA manufacturing company produces Part # 2206 for
the aerospace industry. Each unit of part # 2206 is sold for \$15. The unit
production cost of part # 2206 is \$3. The fixed monthly cost of operating the
production facility is \$3000. How many units of part # 2206 have to be sold in
a month to break-even?

166.67

200

250

500

2 points

QUESTION 11

The indicator that results in total revenues being
equal to total cost is called the

marginal cost

marginal volume

break-even point

profit mix

2 points

QUESTION 12

In a binomial distribution, for each of n trials,
the event

time between trials is constant

always has the same probability of occurring

result of the first trial influence the next trial

trials are continuous

2 points

QUESTION 13

The area under the normal curve represents
probability, and the total area under the curve sums to

0

1

2

None of the above

2 points

QUESTION 14

The expected value of the standard normal
distribution is equal to

0

1

2

None of the above

2 points

QUESTION 15

Administrators at a university will charge students
\$158 to attend a seminar. It costs \$2160 to reserve a room, hire an instructor,
and bring in the equipment. Assume it costs \$50 per student for the
administrators to provide the course materials. How many students would have to
register for the seminar for the university to break even?Note: please
report the result as a whole number, omitting the decimal point.

2 points

QUESTION 16

A production run of toothpaste requires a fixed cost
of \$100,000. The variable cost per unit is \$3.00. If 50,000 units of toothpaste
will be sold during the next month, what sale price must be chosen in order to
break even at the end of the month? Note:  please report the
result as a whole number, rounding if necessary and omitting the decimal point.

2 points

QUESTION 17

Administrators at a university are planning to offer
a summer seminar. The costs of reserving a room, hiring an instructor, and
bringing in the equipment amount to \$3000.

Suppose that it costs \$25 per student for the administrators to provide the
course materials. If we know that 20 people will attend, what price should be
charged per person to break even?   Note: please report
the result as a whole number, rounding if necessary and omitting the decimal
point.

2 points

QUESTION 18

The variance of the standard normal distribution is
equal to __________.

2 points

QUESTION 19

Employees of a local company are classified
according to gender and job type. The following table summarizes the number of
people in each job category.

Male
(M) Female (F)

Job

Salaried
staff (SS)             30             50

Hourly
staff (HS)              60             40

If an employee is selected at random, what is the probability that the
employee is female or works as a member of the administration?

2 points

QUESTION 20

An inspector correctly identifies defective products
90% of the time. For the next 10 products, what is the probability that he