The reason for using the t-distribution in a hypothesis test ...

[Tazate]

The reason for using the t-distribution in a hypothesis test about the population mean is:
 
  A) the population standard deviation is unknown.
  B) it results in a lower probability of a Type I error occurring.
  C) it provides a smaller critical value than the standard normal distribution for a given sample size.
  D) the population is not normally distributed.

Question 2

Which of the following is not a condition of the binomial distribution?
 
  A) Two possible outcomes for each trial
  B) The trials are independent.
  C) The standard deviation is equal to the square root of the mean.
  D) The probability of a success remains constant from trial to trial.

[dominiqueenicolee]

Answer to Question 1

A

Answer to Question 2

C

[Tazate]

Thanks for the timely response, appreciate it

[Viet Thy]

Gracias!