The lengths in minutes of feature films follow a normal distribution with a mean of 109 minutes and a standard deviation of 12 minutes. N(109, 12) What length of movie represents the 33rd percentile? Enter the value with two decimal points (e.g. 20.21) -1 The area above (shaded) -0.44 is 0.67.

Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. 108 130 The area of the shaded region is |- (Round to four decimal places as needed.) Enter your answer in the answer box. ?

Use the accompanying table of z-scores and percentiles to find the percentage of data items in a normal distribution that lie between z=0.9 and 2-1.6. Click the icon to view the table of z-scores and percentiles KECI The percentage of data items in a normal distribution that lie between 2-0.9 and 2 1.6 is% (Round to two decimal places as needed.)

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Length of snowboards in a boardshop are normally distributed with a mean of 151.6 cm and a standard deviation of 0.7 cm. The figure below shows the distribution of the length of snowboards in a boardshop. Calculate the shaded area under the curve.Express your answer in decimal form accurate to at least two decimal places.

Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. The area of the shaded region is . (Round to four decimal places as needed.) 104 130 Q