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10.36) In a large institution, 2:28 percent of employees receive income below and is. 971 of employees receive income above Re , soop Assuming normal distribution, find x and 6 of income. gues - The Customer accounts at a Collain departmental store have An average balance of Re 480 and a standard deviation of RS 160 Assuming that the account balance are normally distributed (') what- proportion of the accounts is over 8 6009 () what- proportion of the accounte is between Re 400 and Rx 600? (in) what-profortion of the accounts is between RS 240 and Rx 3609 ques - The length of a machine part is known to have a normal distribution, which mean 100 mm and standard deviation 2 mm. ('s what- proportion of the parts will be above 103.5 mm? lin, what proportion of the banks will be between 98.5 and 102 mm? (in's what proportion of the parts will be shorter than 96 5mm? In If no more than 5 % of the should be oversized, what. Specification limit should be recommended? ques- Two forme A and B manufacture similar Components with a mean breaking Strength of 3,000 N and 2500 N and Standard deviation of SOON and LOON, respectively. If random samples of 100 Components of Firm A and 50 Components of Fam Bare tested, what-is the probability that that components from Firm i will have a mean breaking strength which is at least (a) 450 N; lb S75 N more than the components of Firm

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