1. Complete the table Po P- n value a. 100 40/100 8% b. 248 51/248 10% C. 312 100/31 12% 2 d. 486 216/48 9% е. 524 308/52 13% 4
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- Carl Catcher has a batting average of .370, meaning that he makes a hit 37% of the times he is up at bat. Pete Pitcher has a batting averager of only .110. Let x be the number of times Carol comes up to bat and let y be the number of times Pete comes to bat. a. If Carl bats 7 times and Pete bats 3 times, what should ther overall batting average be? b. If a total of 50 times at bat, how many times may Pete bat in order for their combined average to be as close as possible to .300? (define 3 variables, write system and solve)B. Drop down box 1: no or yes drop down box 2: less or greater drop down box 3: 0.95, 0.5. 0.05Grade points are assigned such that an A receives 4 points, a B receives 3 points, a C receives 2 points, a D receives 1 point, and a F receives 0 points. Grades are weighted according to credit hours (units). If a student receives an A in a four-unit class, a D in a two-unit class, a B in a three-unit class and a C in a three-unit class, what is the student's grade point average? O A. 2.75 O B. 1.75 O C. 3.00 O D. 2.50 Click to select your answer. DELL XXX EVD disc RW DELL
- Calculate C(12, 4). 40 320 990 11 880 495The data is as follows: 2 0's, 6 1's, 10 2's, 32 3's, 50 4's, 69 5's, 50 6's, 38 7's, 19 8's, 12 9's, and 4 10's.50 part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Courses Frequency Relative Frequency Cumulative Frequency 1 24 0.48 2 15 3 a. Complete the table.b. What percent of students take exactly one course? %
- A biologist gathered the following information about deer populations in a national park area. Juvenile (age ≤ 2 years) Adult (age > 2 years) Total Male 23 171 194 Female 112 935 1044 Total 135 1103 1238 The biologist made the calculation shown below. Which question was she trying to answer? 23 ÷ 194 a. What percentage of the male deer are juveniles? b. What percentage of the juvenile deer are males? c. What percentage of the total deer are juvenile males? d. What percentage of the total deer are males?1. Use the place value chart and arrows to show how the value of each digit changes. The first one has been done for you. a. 4.582 x 10 = 45.82 4 8 4 8. b. 7.281 x 100 = 2.81 %3D 9.254 x 1,000 = C. 216 21 d. Explain how and why the value of the 2 changed'in (a), (b), and (c). 2. 00Social media is becoming more and more popular around the world. Suppose a website provides estimates of the number of social media users in various countries. Assume that the results for surveys in the United Kingdom, China, Russia, and the United States are as follows. Use Social Media Yes No United Kingdom 480 320 Country China Russia 235 265 343 Need Help? 357 O Ho: All population proportions are not equal. H₂: P₁ = P₂ = P3 = P4 Read It OHO: Not all population proportions are equal. Ha: P₁ = P₂ = P3 = P4 (a) Conduct a hypothesis test to determine whether the proportion of adults using social media is equal for all four countries. State the null and alternative hypotheses. O Ho: P₁ = P₂ = P3 = P4 H₂: Not all population proportions are equal. United States 620 380 Ho: P₁ = P₂ = P3 = P4 H: All population proportions are not equal. Find the value of the test statistic. (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value =…
