William meyer has driven his used car 16,789 miles since purchasing it for $6500 two years ago. He spent a total of $1868 on gas
1 answer:
You might be interested in
Answer:
356
Step-by-step explanation:
We are given that p=0.7, and a 90% confidence interval. Also, we know the margin of error to be 0.04, the sample size is calculated as:
#The sample size is calculated as:
Hence, at least 356 apples must be sampled to get a true proportion with the 4% ME.