It is desired to test H0: = 40 against H1: < 40 using = ...

[madam-professor]

It is desired to test H0:  = 40 against H1:  < 40 using  = 0.10. The population in question is uniformly distributed with a standard deviation of 10.
 
  A random sample of 36 will be drawn from this population. If  is
  really equal to 35, what is the probability that the hypothesis test would lead the investigator to commit a Type
  II error?
  A) 0.0427 B) 0.9573 C) 0.4573 D) 0.0854

Question 2

The city council of a small town needs to determine if the towns residents will support the building of a new library. The council decides to conduct a survey of a sample of the towns residents.
 
  Which one of the following procedures would be most appropriate for obtaining a sample of the towns residents? A) Survey a random sample of persons within each neighborhood of the town.
  B) Survey a random sample of librarians who live in the town.
  C) Survey 500 individuals who are randomly selected from a list of all people living in the state in which the
  town is located.
  D) Survey every 7th person who enters the old library on a given day.

[bpool94]

Answer to Question 1

A

Answer to Question 2

A

[madam-professor]

TYSM

[Kedrick2014]

Gracias!