Question
In: Statistics and Probability
QUESTION 4 ( 8 marks) A telemarketer is able make a sale on 28% of the...
QUESTION 4 ( 8 marks)
A telemarketer is able make a sale on 28% of the phone calls he makes. Assume that he makes 11 calls in an hour. Answer the following questions, assuming a binomial probability distribution:
Required:
- What is the probability that he will make exactly four sales in the course of an hour? ( 3 marks)
- What is the probability that he will make at least three sales in the course of an hour? Hint: Use the approach that requires the least calculation work! ( 5 marks)
QUESTION 5 ( 8 marks)
Suppose 1.5% of the antennas on new Nokia cell phones are defective. For a random sample of 240 antennas, answer the following questions (assume a Poisson probability distribution):
Required:
- Calculate the mean and standard deviation for the probability distribution of the number of defective antennas in the random sample. and What is the probability that exactly five of the antennas will be defective? ( 4 marks)
- What is the probability that less than three antennas will be defective? ( 4 marks)
Solutions
orchestra answered 1 year agoRelated Solutions
QUESTION 4 ( 8 marks) A telemarketer is able make a sale on 27% of the...
QUESTION 4 ( 8 marks)
A telemarketer is able make a sale on 27% of the phone calls he
makes. Assume that he makes 12 calls in an hour. Answer the
following questions, assuming a binomial probability
distribution:
Required:
What is the probability that he will make exactly four sales in
the course of an hour? ( 3 marks)
What is the probability that he will make at least three sales
in the course of an hour? Hint: Use the...
A telemarketer knows that, on average, he is able to make three sales in a 45-minute...
A telemarketer knows that, on average, he is able to make three
sales in a 45-minute period. Suppose the number of sales he can
make in a given time period is Poisson distributed.
a) What is the probability that he makes two sales in a 30
-minute period?
b )What is the probability that he makes at least two sales in a
30-minute period?
c) What is the probability that he makes only one sale in an
hour-long period?
Please...
4 Q5 Total Marks 8 Marks 8 Marks 8 Marks 8 Marks 8 Marks 40 Marks...
4 Q5 Total
Marks
8 Marks
8 Marks
8 Marks
8 Marks
8 Marks 40 Marks
Q1: A cantilever beam having span ‘L’ m was subjected to a
uniformly distributed load of magnitude 8 kN/m for a distance of
‘0.6 L’ from the free end and two concentrated loads one of
magnitude 15 kN at a distance ‘0.25 L’ m from the free end while
the other of magnitude ‘22’ kN at a distance ‘0.6 L’ m from the...
Question 4 (14 Marks) (a) (8 marks) Calculate the operating leverage (OL) and financial leverage (FL)...
Question 4
(a) Calculate the operating leverage (OL) and
financial leverage (FL) for a firm with sales of 1,000 units with a
selling price of 10$/unit, variable cost of 6$/unit, fixed costs
(excluding financial charges) of 1,500$, and interest of 750$.
Check your answers by using the elasticity definition of leverage
and sales of 1,100 units.
(b) What is the combined leverage (O&FL) in (a)?
explain what this means if volume increases by 10%.
(c) ( 2 marks) why are...
Question 4 (7 marks) (Note this question is from the Week 8 Tutorial) Required: A. Does...
Question 4 (Note this question is from the Week 8
Tutorial) Required: A. Does a contract have to be in writing? (1
mark) B. List three types of terms in a contract. C.
Distinguish terms in a contract from a representation.
(Word limit: Minimum of 50 words. Maximum of 150 words)
Question 4 (25 Marks) The following transactions are from R. Mugabe Trading Enterprise for 28 February...
Question 4 The following transactions are from R.
Mugabe Trading Enterprise for 28 February 2017 financial year.
February 2017 04 Credit sale to Game Store, N$ 25 600 and MTC, N$
18 500; 05 Bought goods from Checkers Store paying by cheque 001,
N$ 10 000; 07 Issued a cheque with an amount of N$ 5 200 to pay
City of Windhoek for the water; 09 Received a cheque from Game
Store, N$ 17 500 for settlement of their account;...
Question 4 (25 Marks) The following transactions are from R. Mugabe Trading Enterprise for 28 February...
Question 4 The following transactions are from R.
Mugabe Trading Enterprise for 28 February 2017 financial year.
February 2017 04 Credit sale to Game Store, N$ 25 600 and MTC, N$
18 500; 05 Bought goods from Checkers Store paying by cheque 001,
N$ 10 000; 07 Issued a cheque with an amount of N$ 5 200 to pay
City of Windhoek for the water; 09 Received a cheque from Game
Store, N$ 17 500 for settlement of their account;...
QUESTION 4 (8 Marks) You are considering investing either of the three stocks- A, B and...
QUESTION 4
You are considering investing either of the three stocks- A, B
and C. The following table provides the information regarding the
stocks
Returns (in percent)
Probability
Stock A
Stock B
Stock C
0.20
2
-3
5
0.50
10
8
8
?
15
20
12
Based on the above information
Calculate the expected rate of returns and variance for each of
the three stocks?
Calculate the coefficient of variation for each
security?
c) Your friend suggests you...
Question 4 (Total of 18 marks) Classic Furniture advertises a “One-Year No-Interest Sale” on any purchase...
Question 4 (Total of 18 marks) Classic Furniture advertises a
“One-Year No-Interest Sale” on any purchase over $499. They require
a deposit of 10%, with the balance of the purchase price to be paid
in 12 equal monthly payments with no interest charged.
(a) What is the cash price equivalent to Classic’s
no-interest plan on an item ticketed at $1,000? Assume an interest
rate of 11.5% per year compounded monthly. Is this a good deal for
a customer? Give a...
QUESTION 4 CVP Analysis Guide to marks: 20 marks – 4 for a, 4 for b,...
QUESTION 4 CVP Analysis
Guide to marks: 20 marks – 4 for a, 4 for b, 4 for c, 8 for
d
Show all calculations to support your answers.
A manufacturer can make two products, A and B. The following
data are available:B
Product
A
B
Total
Sales price per unit
$12
$15
Variable cost per unit
$8
$10
Total fixed costs/month
$5000
(a)Calculate the unit contribution margin for each
product.
(b)This month the manufacturer will specialise in making only...
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