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A random sample of 25 statistics examinations was taken. The average score in the sample was 76 with a variance of 144. Assuming the scores are normally distributed, the 99% confidence interval for the population average examination score is _____________. (Z value is 2.576.)Refer to the following formula.σx = σnz = x-μσxStandard Error = σnMargin of Error = zα/2 * σnConfidence Interval = x ± zα/2*σn

Products are what the customer buys, how they differentiate the item sold, and evokes emotions and preferences. Brands on the other hand are what the company makes, rather homogeneous in nature, and are limited in their functionality. 

Solve.In a large city, 0.919 of the budget went toward city workers’ salaries. Write this decimal as a percent.

Insert , or = between the pair of numbers to form a true statement.455.030 _____ 455.003

Solve. + 1 = – 7

Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.5(4r + 8 + 3s)

Round the decimal to the given place value.8.180, nearest tenth

Solve the equation for the indicated variable.V = Ahfor A

Which DRI is set at a level that meets the needs of 97-98% of healthy individuals?

Smoking, weight gain and pregnancy can all contribute to GERD.