one of the 4p's in marketing is promotion, five years ago 36% od-mid size companies that are in the same market ( as you company) spent more than 25.000 on advertising. the new marketing manager wants to see if this figure is different from de past before deciding on the marketing budget of the next fiscal year.A random sample of 50 mid-size companies that are in the same market was drawn and 26 of them spent more than 25.000on advertising in the current year.

a. set up the null hypothesis and the alternative Hypothesis

b. calculate the test statistic and the P-value

c. using 1% level of significance what conclusion can you make