What would be your decision if a hypothesis test was conducted on this problem with the null hypothesis given as H0 : µ ≥ 2 and the alternate hypothesis given as H1 < 2?

Reject H0 at the 10%, 5% and 1% level of significance.

Reject H0 at the 10% and 5% level of significance but do not reject H0 at the 1% level of significance.

Reject H0 at the 10% level of significance but do not reject H0 at the 5% or 1% level of significance.

Do not reject H0 at either the 10%, 5% or 1% level of significance.

The following information refers to the next two questions:

Refer to the following table which contains the sales (in $,000) for a department store for the first ten months of the year.
Month Sales
January 440
February 480
March 590
April 400
May 500
June 550
July 470
August 500
September 600
October 520