Question: Please Help ! SOS Please SHOW ALL WORK and CIRCLE YOUR FINAL ANSWER 4. In a recent study of 43 teenagers, the mean number of

Please Help ! SOS

Please SHOW ALL WORK and CIRCLE YOUR FINAL ANSWER 4. In a recent study of 43 teenagers, the mean number of hours per week that they played video games was 63.5. The population standard deviation was 9.1. Find the 96% confidence interval of the mean of the time playing video games. 5. How large a sample is needed to estimate within $5.68 the population mean for the amount of money a person spends weekly on toys and be 98% confident? The standard deviation of the population is $15.92

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