A recent poll of 750 randomly selected smartphone users found that 176 of the respondents admitted to walking into something or someone while texting on their cell phone. Construct and interpret a 95% confidence interval for the proportion of all smartphone users who would admit to walking into something or someone while texting on their cell phone. 3. Do. Carry out the calculations (if the conditions are met). Identify z*, p hat, and n. Here is the Normal distribution table.
z* = (round to 2 decimal places)
p hat = (round to 4 decimal places)
n =