For what confidence level would the claim be valid

Assignment Help Electrical Engineering

Reference no: EM13270024

A supplier claims that a transistor has a current gain of 100. 15 transistors are measured, and are found to have a sample mean of 99.5 and a standard deviation of the sample mean 2

a) For what confidence level would the claim be valid?

b) What must the sample mean be for the claim to be valid at a 90% confidence level?

Reference no: EM13270024

Questions Cloud

What is the true effective rate : A firm borrowed $1,500,000 from National Bank. The loan was made at a simple annual interest rate of 9% a year for 3 months. A 20% compensating balance requirement raised the effective interest rate.

Explain how much would the beaker and its contents : the beaker and its contents have a total mass of 289.85 g. What volume does the beaker hold? Use ? =1.00 g/mL as the density of water. b) How much would the beaker and its contents weigh if it was completely filled with mercury? The density of mer..

Forecasting and budgeting : For this activity, please select a national brand (not Apple) and discuss the factors needed for successful forecasting and budgeting. Please consider the depth and breadth of the product line, the distribution channels, and the needs for advertisiin..

What will be its optimal cash replenishment level : Rose Axels faces a smooth annual demand for cash of $5.07 million, incurs transaction costs of $282 every time the company sells marketable securities, and can earn 5.0 percent on its marketable securities.

For what confidence level would the claim be valid : A supplier claims that a transistor has a current gain of 100. 15 transistors are measured, and are found to have a sample mean of 99.5 and a standard deviation of the sample mean 2. a) For what confidence level would the claim be valid

What will be the firm cash cycle : Suppose that Ken-Z Art Gallery has annual sales of $884,000, cost of goods sold of $574,000, average inventories of $160,000, average accounts receivable of $129,000, and an average accounts payable balance of $86,000.

Explain sample of an unknown biochemical compound is found : A sample of an unknown biochemical compound is found to have a percent composition of 45.46% carbon, 7.63% hydrogen, 10.60% nitrogen and the balance oxygen. What is the empirical formula for this compound

Analyze the role of electronic commerce : Analyze the role of Electronic Commerce in the modern business and social environments. Identify three international barriers to Electronic Commerce and evaluate their roles in the success of Electronic Commerce.

Which of the transformations yield a moore machine : Let A be a Mealy machine. Which of the following transformations, if any, yield a Moore machine? Explain. 1) Adding a D flip-flop to each output (the outputs of the new flip-flops will be the new outputs of the machine).

User Account

All Pages