Answer:−
3c+2
Step-by-step explanation:
Attached solutions and work.
SOLUTION:
Case: Hypothesis testing
Step 1: Null and Alternative hypotheses

Step 2: T-test analysis

Step 3: t-test with the significance level

Step 4: Comparing

So tail to reject the null hypothesis. There is enough evidence at a 0.05 level of significance to claim that the mean spent is greater than P127.50.
Final answer:
Yes, there is evidence sufficient to conclude that the mean amount spent is greater than P127.50 per month at a 0.05 level of significance.
Blackmail them. Kidding ask the teacher for a new partner or just do it on your own and tell the teacher to give you all the points then,
Answer:
2.5 Plus 40 hours only because is haft hours