13 5%, 1 of 57 pts A college entrance exam company determined that a score of 21 on the mathematics portion of the exam suggests that a student is ready for college-level mathematics. To achieve this...

Extracted text: 13 5%, 1 of 57 pts A college entrance exam company determined that a score of 21 on the mathematics portion of the exam suggests that a student is ready for college-level mathematics. To achieve this goal, the company recommends that students take a core curriculum of math courses in high school. Suppose a random sample of 150 students who completed this core set of courses results in a mean math score of 21.4 on the college entrance exam with a standard deviation of 3.2. Do these results suggest that students who complete the core curriculum are ready for college-level mathematics? That is, are they scoring above 21 on the math portion of the exam? Complete parts a) through d) below. Question Help ▼ Click the icon to view the table of critical t-values. a) State the appropriate null and alternative hypotheses. Fill in the correct answers below. The appropriate null and alternative hypotheses are Ho: versus H,: Enter your answer in the edit fields and then click Check Answer. parts 4 remaining Clear All Check Answer W MAY T價 4 F12 F11 F10 F9 F8 F7 F6 888 F4 F5 吕口 * F2 F3 FI & # 2$ 7 6. 3 Y U E Q K G 42 * 0∞