3. (s points) Major League Baseball requires that its baseballs weigh at least 142 grams and no more than 149 grams. The weights of baseballs manufactured by a particular company are normally distributed with mean 146.5 grams and standard deviation 1.9 grams. What proportion of baseballs made by this company meet the major league standard for weight? (Round your answer to 3 decimal places.)

\#7 A set of data has correlation coefficient \( r \). For which value of \( r \) would the average magnitude of the residuals be the smallest? a. \( r=-0.034 \) b. \( r=0.472 \) c. \( r=0.908 \) d. \( r=0.952 \)

In a class, there are 750 learners in 1st year, 420 learners in 2 nd year. Draw a pie graph to represent the numbers of learners in these groups.

Write down the upper and lower quartiles. Upper Quartile = Lower Quartile = Question 3

16. Bob made a picture graph of the marbles he and his friends have. How many more marbles does Bob have than Kayla? Explain ho you found the answer.

For the given data: 22; \( 9 ; 19 ; 2 ; 38 ; 40 ; 7 ; 38 ; 44 ; 6 ; 12 ; 10 ; 20 ; 31 ; 48 ; 45 \) Determine the Quartiles, Q1, Q2 and Q3 of the data: Q1: Q2: