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alculate the? 95% confidence intervals for the four differentinvestments included in the following table.Small sharesLarge sharesCorporate bondsTreasury notesAverage annual return ? (%)20.26%11.44?%6.65?%3.26?%Standard deviation of returns? (%)42.91?%19.52?%6.58?%4.64?%The? 95% confidence interval of small shares is betweennothing?% and nothing?%. ?(Enter your response as a percent roundedto two decimal places and put the lower number? first.)The? 95% confidence interval of large shares is betweennothing?% and nothing?%. ?(Enter your response as a percent roundedto two decimal places and put the lower number? first.)The? 95% confidence interval of corporate bonds is betweennothing?% and nothing?%. ?(Enter your response as a percent roundedto two decimal places and put the lower number? first.)The? 95% confidence interval of Treasury notes is betweennothing?% and nothing?%. ?(Enter your response as a percent roundedto two decimal places and put the lower number? first.)