(a) State the null and alternative hypotheses and (b) state whether the test of hypothesis will be a two-tailed test, a right-tailed test, or a left-tailed test.
An interior designer believes that the proportion of assisted living residents who would prefer a blue hue on bedroom walls is greater than 0.75. A random survey of 300 assisted living residents revealed that 240 prefer a blue hue on bedroom walls. Do these data support the interior designer's belief?