Question 7 1 pt: For a sample of 100 Americans community college students 42 of them believe in ghosts. Compute the sample proportion for the given data. lieu nd to 3 place values. : Question 8 1 pts For a sample of DOAmericans aged 13 - 64, 6 of them stated they have public health care coverage. nd the 95% condence interval of the true proportion 0! Americans aged 18 -64 that have public health care coverage. Round to 3 decimal places. Question 9 1 pt: The percentage of Americans who consistently consume plant based food is 3% What is the minimum sample size needed to construct a condence interval for the tme proportion? The error is 0.051 Use a condence level of 95%; 045 0200 05 O 150 Question 10 1 pt: a is defined as the symbol ? 0 Sample Standard Deviation 0 Population Mean 0 Population Standard Deviation 0 Sample Mean