A researcher collects a simple random sample of waiting times in minutes for a popular amusement park ride. A confidence level of 95%95\% was used. The researcher used a calculator for analysis, as shown in the figure.Write the confidence interval in inequality notation. Round the upper and lower limits to two decimal places, given that the original times are all rounded to one decimal place.

33.49 minμ37.41 min33.49~\text{min}

32.50 minμ37.40 min32.50~\text{min}

33.50 minμ37.40 min33.50~\text{min}

33.40 minμ37.30 min33.40~\text{min}

A researcher collects a simple random sample of waiting times in ...

Confidence Intervals for Population Mean: Videos & Practice Problems