Question

Question 5 3 pts You want to estimate o for the population of waiting times for hospital emergency rooms. You want to be 99% confident that the sample standard deviation is within 1% of o. A Find the minimum sample size. n = B. Which has a bigger impact on the sample size requirement? i. Changing the confidence level to 90% or ii. Changing the margin of error to be within 10% of o or iii. Neither has a greater impact on changing sample size requirements HTML Editor BI YA TE37

Answer 1

confidence Level 99%. maeger of erros €=1 / 20.01. A from the table values, And that sample site n= 33218 When the error E= 100% of marges of marger og error coll 08 the sample ste laege, be small. to be wethes the margen of A nevels in the changing error 10% of