Let x be a random variable representing dividend yield of bank stocks. we may assume that x has a normal distribution with σ = 2.6%. a random sample of 10 bank stocks gave the following yields (in percents). 5.7 4.8 6.0 4.9 4.0 3.4 6.5 7.1 5.3 6.1 the sample mean is x bar = 5.38%. suppose that for the entire stock market, the mean dividend yield is μ = 4.2%. do these data indicate that the dividend yield of all bank stocks is higher than 4.2%? use α = 0.01.

The direct labor budget of yuvwell corporation for the upcoming fiscal year contains the following details concerning budgeted direct labor-hours: 1st quarter 2nd quarter 3rd quarter 4th quarterbudgeted direct labor-hours 11,200 9,800 10,100 10,900the company uses direct labor-hours as its overhead allocation base. the variable portion of its predetermined manufacturing overhead rate is $6.00 per direct labor-hour and its total fixed manufacturing overhead is $80,000 per quarter. the only noncash item included in fixed manufacturing overhead is depreciation, which is $20,000 per quarter.required: 1. prepare the company’s manufacturing overhead budget for the upcoming fiscal year.2. compute the company’s predetermined overhead rate (including both variable and fixed manufacturing overhead) for the upcoming fiscal year.