67 purchased a gas vehicle; 62 purchased an all-electric vehicle; and 81 purchased a hybrid vehicle. With α=0.05, test to see if the proportions of vehicles purchased have changed after the passage of the tax credits.
State the null and alternative hypotheses.
H₀: The distribution is not normal over the types of vehicles purchased.
H₀: The distribution is normal over the types of vehicles purchased.
H₀: The types of vehicles purchased have changed after the passage of the tax credits.
H₀: The types of vehicles purchased have not changed after the passage of the tax credits.
H₀: The distribution is normal over the types of vehicles purchased.
H₀: The distribution is not normal over the types of vehicles purchased.
H₀: The types of vehicles purchased have not changed after the passage of the tax credits.
H₀: The types of vehicles purchased have changed after the passage of the tax credits.
Find the p value of the test statistic. Round your answer to three decimal places.
What is the value? Round your answer to four decimal places.