One of the basketball coaches at Cypress College wanted to see if Cypress College's Strength & Exercise class was increasing the weight that a player could bench press. The basketball coach randomly selected some of his players and determined how much they could bench press before taking the class. Then after completing the class, he again determined the weight that they could now bench press. The data for these players is given in the table below. Test whether the Strength and Exercise class is increasing the amount of weight that the players can bench press at the a=0.05 level of significance. Player Player 1 Player 2 Player 3 Player 4 Pounds Lifted Before 205 241 338 368 Class Pounds Lifted After 295 252 330 360 Class [ Select] 0.67 0.79 0.33 0.21 [ Select]

what percentage of bus drivers had 3 or more traffics acccidents

Approximately 19% of music lovers like Country Music. Of those who do, 99% do not have mild brain damage.What percent of music lovers like Country and have Brain Damage?

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Brandon's score in the high jump at a track and field event showed that he was only able to jump higher than 27% of his competitors. Find the z score for Brandon's high jump score.

Drew received a mark of 94% on his Data Management test and a mark of 89% on his Calculus test. Both tests were normally distributed:Data Management: ? = 85% and ? = 5% Calculus: ? = 79% and ? = 4%. Which mark is relatively higher? Please write clearly thank you.

According to the U.S. Census Bureau, in 1950, 39.3 million families had a child under 18 at home. Suppose a recent study found that the number had decreased by 8.9%. How many million families had a child under 18 at home according to this study? Round the number of millions to the nearest tenth.

Bicycling World, a magazine devoted to cycling, reviews hundreds of bicycles throughout the year. Its "Road-Race" category contains reviews of bicycles used by riders primarily interested in racing. One of the most important factors in selecting a bicycle for racing is the weight of the bicycle. The following data show the weight (pounds) and price ($) for ten racing bicycles reviewed by the magazine. Click on the datafile logo to reference the data.       Model Weight (lb) Price ($)   Fierro 7B 17.9 2,200   HX 5000 16.2 6,350   Durbin Ultralight 15.0 8,470   Schmidt 16.0 6,300   WSilton Advanced 17.3 4,100   Bicyclette vélo 13.2 8,700   Supremo Team 16.3 6,100   XTC Racer 17.2 2,680   D'Onofrio Pro 17.7 3,500   Americana #6 14.2 8,100 How much of the variation in the prices of the bicycles in the sample does the regression model you estimated in part (b) explain? If required, round your answer to the nearest whole number. Do not round intermediate…

The table below shows the number of push ups Devon does each day. At this rate, how many push ups will he do on day 20? Please show your work Day 1 2 3 4 5 # push ups 10 14 18 22 26

An immunologist is interested in whether the number of symptoms of the flu a person first exhibits is related to how many days that person will be sick. What is the appropriate test?