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1)A researcher is testing a hypothesis of a single mean

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1)A researcher is testing a hypothesis of a single mean. The critical z value for α = .05 and an critical value for a one tailed right test is 1.645. The observed (test statistic) z value from sample data is 1.13. The decision made by the researcher based on this information is to _________ the null hypothesis.

2)Elwin Osbourne, CIO at GFS, Inc., suspects that at least 25% of e-mail messages sent by GFS employees are not business related. A random sample of 300 e-mail messages was selected to test this hypothesis at the 0.01 level of significance. Fifty-four of the messages were not business related. The appropriate decision is