John charleston owns a heating oil delivery company that services 1,540 residences. john would like to estimate the number of customers that have oil storage tanks that are less than 100 gallons in capacity. a random sample of 200 customers found that 63 had an oil tank that was less than 100 gallons. what is the 80% confidence interval to estimate the proportion of customers with oil tanks less than 100 gallons?

Use this image to answer the following question. when the economy is operating at point b, the us congress is most likely to follow

Zeta corporation is a manufacturer of sports caps, which require soft fabric. the standards for each cap allow 2.00 yards of soft fabric, at a cost of $2.00 per yard. during the month of january, the company purchased 25,000 yards of soft fabric at $2.10 per yard, to produce 12,000 caps. what is zeta corporation's materials price variance for the month of january?

Mauro products distributes a single product, a woven basket whose selling price is $15 and whose variable expense is $12 per unit. the company’s monthly fixed expense is $4,200. required: 1. solve for the company’s break-even point in unit sales using the equation method. 2. solve for the company’s break-even point in dollar sales using the equation method and the cm ratio. (do not round intermediate calculations. round "cm ratio percent" to nearest whole percent.) 3. solve for the company’s break-even point in unit sales using the formula method. 4. solve for the company’s break-even point in dollar sales using the formula method and the cm ratio. (do not round intermediate calculations. round "cm ratio percent" to nearest whole percent.)