The marketing team of wses believes that the average sales value of the leads that they receive is at least s8 million, and the standard deviation is s2 million. use an appropriated hypothesis test to if the average sales volume is at least s8 m 2) flip your alternative and null hypothesis from #1 above. conduct this test, what will be your conclusion based on the interchange of hypotheses? what do you learn from #1 & 2? 3) if the actual average mean sales value of the sales leads is $8.2 m. calculate the probability of incorrectly concluding that the average sales value is $8.0 m 4) the senior marketing manager at wses - jason - doubted the value of the standard deviation provided by his marketing team. he argued that there is no way that his team could have known the population standard deviation, since population itself is unknown. do you agree with him? re-run the test again assuming that jason is indeed correct. what do you learn? 5) ms. perkins (chief marketing officers) claims that wses wins at least 50% of their leads. does the data support this assertion? for the each of the above (where applicable) report your conclusion based on each of the following, and then argue what you believe to be true based on these findings. i) significance level (alpha) 0.05 significance level (alpha)-0.10 p-value approach i) ii