Questions: The P -value for a hypothesis test is shown. Use the P -value to decide whether to reject H₀ when the level of significance is (a) α=0.01, (b) α=0.05, and (c) α=0.10. P=0.0237 (a) Do you reject or fail to reject H₀ at the 0.01 level of significance? A. Fail to reject H₀ because the P -value, 0.0237, is greater than α=0.01. B. Fail to reject H₀ because the P-value, 0.0237, is less than α=0.01. C. Reject H₀ because the P-value, 0.0237, is greater than α=0.01. D. Reject H₀ because the P-value, 0.0237, is less than α=0.01. (b) Do you reject or fail to reject H₀ at the 0.05 level of significance? A. Reject H₀ because the P-value, 0.0237, is greater than α=0.05. B. Fail to reject H₀ because the P-value 0.0237, is less than α=0.05. C. Reject H₀ because the P-value 0.0237, is less than α=0.05. D. Fail to reject H₀ because the P-value, 0.0237, is greater than α=0.05.

The P -value for a hypothesis test is shown. Use the P -value to decide whether to reject H₀ when the level of significance is (a) α=0.01, (b) α=0.05, and (c) α=0.10.

P=0.0237

(a) Do you reject or fail to reject H₀ at the 0.01 level of significance?
A. Fail to reject H₀ because the P -value, 0.0237, is greater than α=0.01.
B. Fail to reject H₀ because the P-value, 0.0237, is less than α=0.01.
C. Reject H₀ because the P-value, 0.0237, is greater than α=0.01.
D. Reject H₀ because the P-value, 0.0237, is less than α=0.01.

(b) Do you reject or fail to reject H₀ at the 0.05 level of significance?
A. Reject H₀ because the P-value, 0.0237, is greater than α=0.05.
B. Fail to reject H₀ because the P-value 0.0237, is less than α=0.05.
C. Reject H₀ because the P-value 0.0237, is less than α=0.05.
D. Fail to reject H₀ because the P-value, 0.0237, is greater than α=0.05.
Transcript text: The P -value for a hypothesis test is shown. Use the P -value to decide whether to reject $\mathrm{H}_{0}$ when the level of significance is ( a ) $\alpha=0.01$, (b) $\alpha=0.05$, and (c) $\alpha=0.10$. \[ \mathrm{P}=0.0237 \] (a) Do you reject or fail to reject $\mathrm{H}_{0}$ at the 0.01 level of significance? A. Fail to reject $\mathrm{H}_{0}$ because the P -value, 0.0237 , is greater than $\boldsymbol{\alpha}=0.01$. B. Fail to reject $H_{0}$ because the $P$-value, 0.0237 , is less than $\alpha=0.01$. C. Reject $H_{0}$ because the $P$-value, 0.0237 , is greater than $\alpha=0.01$. D. Reject $H_{0}$ because the $P$-value, 0.0237 , is less than $\boldsymbol{\alpha}=0.01$. (b) Do you reject or fail to reject $\mathrm{H}_{0}$ at the 0.05 level of significance? A. Reject $H_{0}$ because the $P$-value, 0.0237 , is greater than $\alpha=0.05$. B. Fail to reject $H_{0}$ because the $P$-value 0.0237 , is less than $\boldsymbol{\alpha}=0.05$. C. Reject $H_{0}$ because the $P$-value 0.0237 , is less than $\alpha=0.05$ D. Fail to reject $H_{0}$ because the $P$-value, 0.0237 , is greater than $\alpha=0.05$.
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Solution

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Solution Steps

To determine whether to reject or fail to reject the null hypothesis \( H_0 \), compare the given P-value with the significance level \(\alpha\). If the P-value is less than \(\alpha\), reject \( H_0 \); otherwise, fail to reject \( H_0 \).

Step 1: Determine Decision for \( \alpha = 0.01 \)

Given the P-value \( P = 0.0237 \) and the significance level \( \alpha = 0.01 \), we compare: \[ P (0.0237) > \alpha (0.01) \] Since the P-value is greater than the significance level, we fail to reject \( H_0 \).

Step 2: Determine Decision for \( \alpha = 0.05 \)

Next, we evaluate the significance level \( \alpha = 0.05 \): \[ P (0.0237) < \alpha (0.05) \] Here, the P-value is less than the significance level, so we reject \( H_0 \).

Step 3: Determine Decision for \( \alpha = 0.10 \)

Finally, we check the significance level \( \alpha = 0.10 \): \[ P (0.0237) < \alpha (0.10) \] Again, the P-value is less than the significance level, leading us to reject \( H_0 \).

Final Answer

  • For \( \alpha = 0.01 \): \( \text{Fail to reject } H_0 \)
  • For \( \alpha = 0.05 \): \( \text{Reject } H_0 \)
  • For \( \alpha = 0.10 \): \( \text{Reject } H_0 \)

Thus, the answers are: \[ \boxed{\text{(a) Fail to reject } H_0, \text{ (b) Reject } H_0, \text{ (c) Reject } H_0} \]

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