The filling variance for boxes of cereal is designed to be .02 or less. A sample of 41 boxes of cereal shows a sample standard deviation of .16 ounces. Use = .05 to determine whether the variance in the cereal box fillings is exceeding the design specification. State the null and alternative hypotheses. 0: 2 a: 2 Calculate the value of the test statistic (to 2 decimals). The p-value is What is your conclusion?

In one day there are too high tides into low tides and equally spaced intervals the high tide is observed to be 6 feet above the average sea level after six hours passed a low tide occurs at 6 feet below the average sea level in this task you will model this occurrence using a trigonometric function by using x as a measurement of time assume the first high tide occurs at x=0. a. what are the independent and dependent variables? b. determine these key features of the function that models the tide: 1.amplitude 2.period 3.frequency 4.midline 5.vertical shift 6.phase shift c. create a trigonometric function that models the ocean tide for a period of 12 hours. d.what is the height of the tide after 93 hours?

Which of the following parabolas opens up?

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two