document.write( "Question 730301: A random survey undertaken by telephone by the Barrie Examiner revealed that 140 of the 250 people called supported a “carbon tax”. Test the alternative hypothesis that >50% of the people support the carbon tax.\r \n" );
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document.write( "I am trying to solve this with the 5 steps of hypothesis testing. Please show me all steps involved that leads to the final value of my *test statistic. I have tried to start…\r \n" );
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document.write( "Step 1: a. Amount of people that support the carbon tax. \n" );
document.write( " b. H_O: μ<50% \n" );
document.write( "〖 H〗_a: μ> 50% \n" );
document.write( "Step 2: a. Normality is assumed, CLT with n=250 \n" );
document.write( " b. z, σ= ?; \n" );
document.write( " c. α= 0.05 \n" );
document.write( "Step 3: a. x̄ = ?, n = 250 \n" );
document.write( "b. z-(x ̄ .μ)/(σ/√n) …Do I use this formula? \n" );
document.write( "z*=/(/√)= \n" );
document.write( "Step 4: a. Probability distribution for zcrit= ? with x= ? \n" );
document.write( " b. The calculated test statistic z*= ? is or is not in the critical region. \n" );
document.write( " c. P = \n" );
document.write( " d. p-value is or is not smaller than α \n" );
document.write( "Step 5: a. Reject Ha or failed to reject? \n" );
document.write( "b. There is sufficient evidence to conclude that ….., at the P- …..level of significance. The test results do or do not support the claim. \n" );
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