, 03.12.2019 03:20 sabrinamarie17

# The s& p 500 index delivered a return of 20%, -10%, 20%, and 5% over four successive years. what is the arithmetic average annual return for four years? a) 10.50% b) 13.13% c) 8.75% d) 9.63%

### Another question on Business

A) a bank wants to know if the enrollment on their website is above​ 30% based on a small sample of customers. they test upper h 0h0​: pequals=0.3 vs. upper h subscript upper aha​: pgreater than> 0.3 and reject the null hypothesis. later they find out that actually​ 28% of all customers enrolled. choose the correct answer below. a. the bank did not make an error. the actual value is not equal to 0.3 and they rejected the null hypothesis. b. the bank made a type ii error. the actual value is not greater than 0.3 but they rejected the null hypothesis. c. the bank made a type ii error. the actual value is close to 0.3 but they rejected the null hypothesis. d. the bank made a type i error. the actual value is not greater than 0.3 but they rejected the null hypothesis. e. the bank made a type i error. the actual value is close to 0.3 but they rejected the null hypothesis.
Why is it vital to maintain a designer worksheet? a. it separates the designs chosen for the season from those rejected by the company. b. it keeps a record of all designs created by the designer for a season. c. it charts out the development of an entire line through the season and beyond. d. it tracks the development of a design along with costing and production details. done