Understanding student demographics is important for a college in deciding what programs will most benefit students. A sample of students is taken to determine what proportion of students identify as Hispanic or Latino. The results of the sample are shown below. Student sample Hispanic/Latino (x) Sample size (n) 63 350 Confidence Level 90% Critical Value 1.645 Margin of Error 0.034 What is the population parameter? Pick The number of students in the sample that identify as Hispanic or Latino What The proportion of all students at the college that identify as Hispanic or Latino The proportion of all students in the sample that identify as Hispanic or Latino The da The sample size tify as Hispanic or Latino is between [ Ex: 0.123

Save Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n= 974 and x= 526 who said "yes." Use a 90% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.)

The scores on a statewide math exam were normally distributed with ?=74 and ?=8. What proportion of test-takers had a grade between 66 and 88 on the exam?

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 30 hours and the median is 26.2 hours. Twenty-four of the families in the sample turned on the television for 15 hours or less for the week. The 11th percentile of the data is 15 hours. Step 4 of 5 :   What is the value of the 50th percentile?

Find the z score for the 55th percentile.

In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores fall between 71 and 79. What are the mean and standard deviation for this data?

Most adults would erase all of their personal information online if they could. A software firm survey of 502 randomly selected adults showed that 65​% of them would erase all of their personal information online if they could. Find the value of the test statistic. The value of the test statistic :  ​(Round to two decimal places as​ needed.)