Based on worldwide cases reaserchers at school of public health estimate that corona virus has a mean disease incubation period ( time from exposure to the developement of symptoms ) of u = q days cap A Canadian health organization took a random samples of noq Canadian COVID-19 Patients and found the following shif in cubation periods Cin days ) fn 5 - 5 4.6 3 . 8 7 . 1 6. 8 8 . 1 5 . 9 6. 2 6. 1 assume that the illness incubation period is approximately normally distributed 1 which of the following is a reasonable estimate for the 95% confidence interval for the population mean COVID -198 incubation period SA a) (5.017, 7.005 ) 6 ) ( 35. 574, 6.5-28 ) C ) ( 3.02, 8993 ) d ) ( 4.023, 7, 999 ) () Testing at the 2.5% significance level, would you conclude that the mean incubation period among the Canadian COVID-19 population is no longer than 4.9 days ?2. ) State the null and alternative hypothesis ( select 1, 2, 3, or 4 of the correct pair ) 1 Ho:U = 4. 9 H, ju