NeedSupply

99 Questions
16 Answers

0

836

1

+598

Continuous Random Variables Help 1

1. Given that z is a standard Normal random variable, find the following probabilities: (6 Points)
a. P(z <0.52)
b. P(z > -0.63)
c. P(-0.31<z<1.345) read more ..

NeedSupply Feb 1, 2016

0

642

0

+598

Probability Help 4

3% of babies in a remote community have a certain blood condition. A new medical test was recently developed to screen babies for this condition. Based on research results, if a baby has the condition, the test correctly identifies the baby as having the read more ..

NeedSupply Jan 21, 2016

0

598

0

+598

Probability Help 3

3% of babies in a remote community have a certain blood condition. A new medical test was recently developed to screen babies for this condition. Based on research results, if a baby has the condition, the test correctly identifies the baby as having the read more ..

NeedSupply Jan 21, 2016

0

542

0

+598

Probability Help 3

3% of babies in a remote community have a certain blood condition. A new medical test was recently developed to screen babies for this condition. Based on research results, if a baby has the condition, the test correctly identifies the baby as having the read more ..

NeedSupply Jan 20, 2016

0

533

0

+598

Probability Help 3

3% of babies in a remote community have a certain blood condition. A new medical test was recently developed to screen babies for this condition. Based on research results, if a baby has the condition, the test correctly identifies the baby as having the read more ..

NeedSupply Jan 20, 2016

0

492

0

+598

Probability Help 3

3% of babies in a remote community have a certain blood condition. A new medical test was recently developed to screen babies for this condition. Based on research results, if a baby has the condition, the test correctly identifies the baby as having the read more ..

NeedSupply Jan 19, 2016

0

2

811

2

+598

Probability Help 2

Market research for an online electronics retailer showed that 23% of its customers purchased a smart phone. 12% of these smartphone customers used an online payment system (such as Paypal) to pay for their purchases, i.e., given that a customer purchased read more ..

NeedSupply Jan 19, 2016

0

1192

1

+598

Probability Help 1

Given that P(A)=0.64, P(B)=0.42 and P(A and B) = 0.3, calculate the following: (12 Points)
a. P(Bc)
b. P(A or B)
c. P(the complement of the event “A and B”)
d. P(A|B)
read more ..

NeedSupply Jan 19, 2016

0

755

1

+598

Data, Statistics, and Sampling Help 1.1

Identify which of the following situations involve sampling from a finite population and which involve sampling from infinite populations: (8 Points)
1. Obtain a sample of personal banking customers for read more ..

NeedSupply Jan 6, 2016

0

650

0

+598

Data, Statistics, and Sampling Help 1

Identify which of the following situations involve sampling from a finite population and which involve sampling from infinite populations: (8 Points)
1. Obtain a sample of personal banking customers for read more ..

NeedSupply Jan 5, 2016

0

1626

2

+598

Investment FV Help 1

Rounded to the nearest quarter year, how long will it take an investment to quadruple if it earns 8% compounded semi-annually?

Any help would be greatly appreciated with calculations.
read more ..

NeedSupply Dec 19, 2015

0

1190

1

+598

Calculating Lump Sum Help 1

Ramon wishes to replace payments of $900 due today and $500 due in 22 months by a single equivalent payment 18 months from now. If money is worth 4.8% compounded monthly, what should that payment be? Interim calculations to 3 decimals, final answer read more ..

NeedSupply Dec 19, 2015

0

1581

2

+598

Rate of Markup and Profit Help 1

Central Ski and Cycle purchased 50 pairs of ski boots for $350 per pair less 30% and 10%. The regular rate of markup on selling price of the boots is 50%. The store’s overhead is 25% of the selling price. During a January clearance sale, the price was reduced read more ..

NeedSupply Dec 19, 2015

0

992

1

+598

Currency Exchange Question 1

Arcelor Mittal Dofasco can buy iron ore pellets from Minnesota at US$130 per short ton (2000 pounds) or from Labrador at C$175 per metric tonne (1000 kg). Which source is more expensive and by how much in C$ per metric tonne? (1 pound = 0.4536 kg, C$1.1400 read more ..

NeedSupply Dec 19, 2015

0

926

1

+598

Commission Help 1

Karim works in a retail computer store. He receives a weekly base salary of $400 plus a commission of 3% of sales exceeding his quota of $25,000 per week. What are his total sales for a week in which he earns $730.38? Answer to the nearest cent. read more ..

NeedSupply Dec 19, 2015

0

781

2

+598

Market Rate Influence Help 1

If the prevailing market interest rate increases, does the purchase price of an annuity decrease or increase?

any help would be great, thanks

NeedSupply Dec 19, 2015

0

970

3

+598

Ordinary Annuity Help 1

For an ordinary annuity with semi-annual payments, if the payments began on April 1, 2012, when will the seventh payment be made?

Any help would be appreciated. thanks

NeedSupply Dec 19, 2015

0

1349

2

+598

Opinion on Annuities Question Help 1

The expansion will occur over 4 years and is expected to require $2.8 million.
Management has developed a payment plan for carrying out this expansion. The plan requires a cash input of $300,000 now, $700, 000 one year from now, $800,000 two years read more ..

NeedSupply Dec 17, 2015

0

793

1

+598

Compound Interest and Annuities Help 6

The expansion will occur over 4 years and is expected to require $2.8 million.
Management has developed a payment plan for carrying out this expansion. The plan requires a cash input of $300,000 now, $700, 000 one year from now, $800,000 two years read more ..

NeedSupply Dec 16, 2015