169.

Gnagey's Gnot Bad Investment inc. develops a new crypto-backed security, that leverages multiple cryptocurrencies to generate a monthly income investment plan that promises a variable return each month. Utah's Pension Plan is considering purchasing this investment plan for their public employees, but only if it is assured the plan averages at least $180 monthly income. The Pension Plan collects data for a hypothesis test at the 0.05 signicance level and nds out for a random sample of 50 months, the scheme had investment returns with an average value of $190. The population standard is assumed to be known at $75. Would this hypothesis test be a one-tailed or two-tailed test? (Hint: The most powerful result would be if you collected evidence that rejects the possibility of earning less than $180) 0 Two-tail 0 It depends on whether you use the p-value or critical value approach 0 One-tail 0 There is not enough information to determine