Intro Stat Class 12

Which hypothesis is more reasonable for Jane to use?

• H₀: Tarzan is cheating

  H_A: Tarzan is not cheating

• H₀: Tarzan is not cheating

  H_A: Tarzan is cheating

What is the P-value?

• 0.0418

• 0.0446

• 0.9554

• 0.9582

What is the level of the test?

If the test is done at 5% level, will the baseball player be cut from the team?

• yes

• no

What values of the sample mean speed would lead to the baseball player being cut from the team at 5% level?

• mean speed < 8.46

• mean speed < 8.62

• mean speed < 8.70

• mean speed < 9.38

• mean speed < 9.54

What is the P-value?

• Approx. 0

  (Z off the table)

• 0.0047

• 0.0094

• 0.1632

• 0.3264

At 5% level, what should we conclude?

• The machine is fine and doesn't need to be fixed

• The machine is broken and needs to put more cola into each bottle

• The machine is broken and needs to put less cola into each bottle