1a.Given the following price and dividend information, calculate the probability of losing money. (Enter percentages as decimals and round to 4 decimals)

1b. Calculate the lower bound to the 95th confidence interval given the following price and dividend information. (Enter percentages as decimals and round to 4 decimals)

1c. Calculate the upper bound to the 68th confidence interval given the following price and dividend information. (Enter percentages as decimals and round to 4 decimals)

1d. Calculate the upper bound to the 99th confidence interval given the following price and dividend information. (Enter percentages as decimals and round to 4 decimals)

\begin{tabular}{ccc} Year & Price & Dividend \\ \hline 2017 & 139.72 & \\ 2018 & 129.05 & 3.75 \\ 2019 & 137.49 & 3.98 \\ 2020 & 157.38 & 4.19 \\ 2021 & 171.07 & 4.45 \\ 2022 & 176.65 & 4.52 \end{tabular}