Independent random samples of professional football and basketball players gave the following information. Assume thatthe weight distributions are mound-shaped and symmetric.Weights (in lb) of pro football players: x₁; n₁ = 21248 261 255 251 244 276 240 265 257 252 282256 250 264 270 275 245 275 253 265 271Weights (in lb) of pro basketball players: x₂; n₂ = 19205 200 220 210 193 215 223 216 228 207225 208 195 191 207 196 181 193 201LUSE SALT(a) Use a calculator with mean and standard deviation keys to calculate x₁, S₁, X2, and 52. (Round your answers tofour decimal places.)= 259.7619$1 = 11.9286x2206.0000$2 = 12.9186X(b) Let , be the population mean for x₁ and let ₂ be the population mean for X₂. Find a 99% confidence intervalfor ₁-2₂. (Round your answers to one decimal place.)lower limit 43.1upper limit64.4XX

Given information: Football players:x1: 248 261 255 251 244 276 240 265 257 252 282 256 250 264 270…

Answered: eight distributions are mound-shaped…

A First Course in Probability (10th Edition)

10th Edition

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Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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eight distributions are mound-shaped and symmetric. Weights (in lb) of pro football players: x₁; ₁ 248 261 255 251 244 276 240 265 257 252 282 256 250 264 270 275 245 275 253 265 271 Weights (in lb) of pro basketball players: x₂; n.,