Please answer questions 3, 6 and 8 but only the ones that are shown in a red x and please show full work and bold or highlight the answer, thank you!

3. [0/0.83 Points] DETAILS PREVIOUS ANSWERS TANFIN12 8.2.026.CMI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose the probability that it will rain tomorrow is 0.3. (a) What are the odds that it will rain tomorrow? 0.3 X (b) What are the odds that it will not rain tomorrow? 0.7 X Need Help? Read It Watch It Submit Answer6. [0.41IIJ.B3 Points] The happiness score, by generation, conducted in a certain month is given In the Following table (percent indicates the toptwo box senor on a ve-point happiness scale). Silent Generation Average 18+ Mlllennlais Generation X Boomer Generation Score (MI) 60.6 56.1 57.7 53.0 68.7 Find the average happiness score for the ve generations. % What is the standard deviation for these data? [RGul'id your answer to two decimal planes.) x .. Need Help? 8. [0.41/0.83 Points] DETAILS PREVIOUS ANSWERS TANFIN12 8.3.019. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The following table gives the extra travel time in hours for peak-period travelers in urban areas with more than 3 million people in a certain year. Annual Hours of Urban Area Delay per Traveler Los Angeles-Long Beach-Santa Ana, Ca 75 San Francisco-Oakland, CA 58 Atlanta, GA 58 Washington (D.C.-VA-MD) 65 Dallas-Fort Worth-Arlington, TX 55 Houston, TX 57 Find the mean of the extra travel time in that year, in hours, for peak-period travelers in urban areas with more than 3 million people. (Round your answer to two decimal places.) 61.33 hr What is the standard deviation for these data? (Round your answer to two decimal places.) 7.50 X hr Need Help? Read It Watch It Submit