A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 222.9-cm and a standard deviation of 0.7-cm. Find P98, which is the length separating the shortest 98% rods from the longest 2%. P98 = -cm

Skye High School has a total of 500 graduates.  The mean SAT score of Skye High School graduates is 947 with a standard deviation of 205.  To get into a premier college, a student must score 1000 or more.  If 60 students are selected at random, how many graduates can Skye High School expect to get into a premier college?

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 162.3-cm and a standard deviation of 0.7-cm. For shipment, 9 steel rods are bundled together.Find P26, which is the average length separating the smallest 26% bundles from the largest 74% bundles.P26 =

Corey has 4929 songs in his computer's music library. The songs have a mean duration of 248.3 seconds with a standard deviation of 111.86 seconds. One of the songs is 396 seconds long. What is the z-score

Using the z table (O The Standard Normal Distribution Table), find the critical value (or values) for the left-tailed test with a=0.08. Round to two decimal places, and enter the answers separated by a comma if needed. Critical value(s): Continue Save For Later Submit Assignment © 2021 McGraw-HI Education All Rights Reserved Terms of Use Privacy | Accessibilit 01 mi alt

Pearson publishes textbooks each semester and the mean number of textbook pages published by Pearson for 2020 is 568 with a standard deviation of 150 pages.  What is the chance you will have to read a textbook published by Pearson in 2020 that has more than 733 pages? Write your answer as a percent.

In a survey, 80% of the voters support a particular referendum.  If 30 voters are chosen, find the standard deviation of the number of voters who support the referendum.

The Acme Company manufactures widgets. The distribution of widget weights is bell shaped. The widget have a mean of 40 ounces and a standard deviation of 10 ounces. What percentage of the widget weights lie between 20 and 70 ounces?

Refer to the accompanying table, which describes the number of adults in groups of five who reported sleepwalking. Find the mean and standard deviation for the numbers of sleepwalkers in groups of five. E Click the icon to view the data table, The mean is sleepwalker(s). (Round to one decimal place as needed.) The standard deviation is sleepwalker(s). (Round to one decimal place as needed.) Table of numbers of sleepwalkers and probabilities P(x) 0.183 0.368 0.305 3 0.115 4. 0.025 0.004 Print Done Enter your answer in each of the answer boxes. a Speech Present.pptx 2 pecha kucha pr.pptx O Team Pecha Ku.docx ch4Bprac.pdf The Canaries pptx Show All MacBook Air 吕0 F3 esc F8 F9 F10 F1 F2 F5 F6 F7 @ #3 2$ & 3 7 8 Q W E Y U P T

The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 80 inches,, and a standard deviation of 10 inches. What is the probability that the men annual snowfall during 25 randomly picked years will exceed 82.8 inches? Draw a picture. Show z calculation. Use Table A-2.