A researcher is 95% confident that the interval from 5.8 minutes to 9.3 minutes captures the true mean amount of time it takes to pump a full tank of gas in a certain type of SUV. Is it plausible that the true mean number of minutes to fully fill a tank of gas for this type of SUV may be:
a) 5.8
b) 9.3
c) 7.5
d) 9
