One study, based on responses from 1,020 tandendy seeded loonages, ondaded that

Question

One study, based on responses from 1,020 tandendy seeded loonages, ondaded that 44% of teenagers in the population feel that grades are ther grealest source of pressure teenagri de graded as her gued searce presare use·OS tigilance le ele ted te din the h tn bida Fomlate the mul and alhernaltive hypotheses. Choose the comect anower below H, peos H p-05 H, pros Find the test staistc z=?(Round to two decnaipAaces as needed ) Find the P-valae for the found test stasic P vaue PRound to four decimal places as needed) State the conckusion Choose the conect answer below Click to select your answers)

Explanation / Answer

Option - A is correct.

The test statistic z = (p - P)/sqrt(P(1 - P)/n)

                             = (0.44 - 0.5)/sqrt(0.5 * 0.5/1020)

                             = -3.83

P-value = P(Z < -3.83)

             = 0.0000

As the P-value is less than the significance level (0 < 0.5), so the null hypothesis is rejected.

At 0.05 significance level there is sufficient evidence to support the claim that fewer tha half of all teenagers in the population feel that graders are their greatest source of pressure.

Related Questions

Navigate

• Browse (All)
• Browse O
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.