Q1. A television network will allow National Motors to advertise its claim if the appropriate null hypothesis can be rejected at α = .05. If random samples of 81 ZX-900s have a mean stopping distance of ft, will National Motors be allowed to advertise the claim? Assume to σ = 6.02 ft also justify your answer using both a critical value also a p-value.

Q2. Assume to the CPI in a country was 180 in 2004 also 230 in 2005. The inflation rate among those two years was