please answer both
Q1. The mcan weight of 12 randomly selected newbom habies al a local...
Q1. The mcan weight of 12 randomly selected newbom habies al a local hospital is 7.18 Ibs and the standard deviation is U. 8 lbs. Assume the weight of newhurl babies hn psnuxu tely norit al distrih tian. Find a 90% confidence the mean weight of all newhurn babies nt this hospital interval ir 15 pts e average wind spced in a certnin city is 9 tniles per hour. In a randarn sample ot 42 days 20 pts the average wind speed is 9.3 miles per hou. The andard deviatiom of thc sample is 0.6 miles per hour. At0.05 isignificence level) is there enough evidence to rejel the claim? 15 pls