Question At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 46 minutes and a standard deviation of 4 minutes. What is the probability that a randomly selected customer will have to wait less than 41 minutes, to the nearest thousandth? Statistics Calculator

Here are the weights (in pounds) of a sample of 8 male eleventh grade \( 146,153,172,157,161,165,165,161 \) Send data to calculator Find the median weight of these students.

following list contalns the average annual total returns (In percentage points) for 7 mutual funds. Sear In an online brokerage frrm's "all-star" IIst. \( 34,36,40,29,26,22,27 \) Send data to calculator (a) What is the mean of this data set? If your answer is not an integer, round your answer to one decimal place.

1. A US Travel Data Center survey conducted of 1500 People found that 585 people Said that they would take more vacations this year than last Year. Find: a. The \( 95 \% \) confidence interval for the true proportion of people who said they wou b. \( \begin{array}{l}\text { travel more this year. } 99 \% \text { confidence interval for the true proportion of people who said they wou } \\ \text { travel more this year. }\end{array} \) c. The \( 90 \% \) confidence interval for the true proportion of people who said they wou travel more this year.

The following list gives the number of public libraries in each of 11 citles. \[ 7,11,9,6,3,10,4,12,2,5,13 \] Send data to calculator Find the modes of this data set. If there is more than one mode, write them separated by commas. If there is no mode, click on "No mode."

Se realizará un estudio sobre los promedios de estudiantes de preparatoria en una población de 9560 estudiantes. Se requiere un nivel de confianza del \( 99 \% \) y se estima un error del \( 4 \% \).