There are 300 welders employed at maine shipyards corporation. a sample of 30 welders revealed that 18 graduated from a registered welding course. construct the 95 percent confidence interval for the proportion of all welders who graduated from a registered welding course

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder