Sir pls solve these questions:1 A research organization claims that the monthly wages of industrial workers in district X exceeds that of those in district Y by more than Rs 150. Two different samples drawn independently from the two district yielded the following results:District X: x̄1 = 648, s12 = 120, and n1= 100District Y: x̄2 = 495, s22= 140, and n2= 90Verify at 0.05 level of significance whether the sample results support the claim of the organization.2The weekly wages of 2000 workmen are normally distributed with mean wage of Rs 70 and wage standard deviation of Rs 5. Estimate the number of workers whose weekly wage are :(a) between Rs 70 and Rs 71(b) between Rs 69 and Rs 73(c) more than Rs 72, and(d) less than Rs 65
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between RS 69 and Rs 73
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