We surveyed 48 people in an attempt to determine the proportion of Americans who lease a vehicle. 10 said that they did. What is the 91% confidence interval for the proportion of all Americans who lease a vehicle? Enter your answers accurate to two decimal places. Can we conclude that the proportion of all Americans who lease a vehicle is more than 0.08? O Yes O No O Not enough information to determine this Beyond representative sampling, what assumptions are needed to satisfy the requirements for this confidence interval? OX ~ binomial and at least 5 successes and failures OX ~ normal or n > 30 OX binomial, np > 5 and nq > 5 OX ~ normal and n > 30

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