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Mathematics, 22.10.2019 22:50, WorkingButNotReally
2. the walton college of business was ranked 24th out of all public business schools in the united states in 2005. the dean attributes this success to the academic rigor of a new core curriculum of the program. in the past, business students averaged 6.8 hours/week studying with a standard deviation of 2.2 hours. the dean wonders if students under the new curriculum are studying more than the previous students. a random sample of 100 business students finds a sample average of 7.2 hours studying. perform the hypothesis tests for the dean at a 0.05 significance level. a. state your null and alternative hypotheses. b. use the critical value approach to assess whether you should reject or fail to reject your null hypothesis. i. calculate your z-statistic: ii. identify your critical value: iii. state your conclusion: c. compute the p-value for your z-statistic. what do you conclude when comparing your p-value to your alpha (α)? i. p-value: ii. conclusion:
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Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no
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