Recently, a university surveyed recent graduates of the english department for their starting salaries. one hundred graduatesreturned the survey. The average salary was $35000 with a standard deviaion of $2000. what is the best point estimate of the population mean ?

The state education commission wants to estimate the fraction of tenth-grade students that have reading skills at or below the eighth-grade level. Step 1 of 2 :   Suppose a sample of 1134 tenth graders is drawn. Of the students sampled, 226 read at or below the eighth-grade level. Using the data, estimate the proportion of tenth graders reading at or below the eighth-grade level. Enter your answer as a fraction or a decimal number rounded to three decimal places.

A survey found that about 49% of the people who work at an accounting firm take a company car pool van to work. a. If 21 people take the company car pool van to work, estimate the number of people who work at the company. b. If 21 people take the company car pool van to work, find the actual number of people who work at the company. Round to the nearest whole number. Make sure you show all of your work and explain your estimation clearly to earn full credit. Write your final answers in complete sentences. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 14px EVE v A

134 students at a college were asked whether they had completed their required English 101 course, and 72 students said "yes". Find the best point estimate for the proportion of students at the college who have completed their required English 101 course. Round to four decimal places.

The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the eighth grade level.  Suppose a sample of 2552 tenth graders is drawn. Of the students sampled, 2119 read above the eighth grade level. Using the data, estimate the proportion of tenth graders reading at or below the eighth grade level. Enter your answer as a fraction or a decimal number rounded to three decimal places.

82 students at a college were asked whether they had completed their required English 101 course, and 52 students said "yes". Find the best point estimate for the proportion of students at the college who have completed their required English 101 course. Round to four decimal places.

What does the margin of error for the estimate of a population proportion tell you?

Customers arrive at a rate of 40 per hour. You can process 50 customers per hour. a. What percentage of the time are you busy? b. What is the average number of customers in the system? c. What is the average time that a customer spends in the system (in minutes)?

For letter B please plug in the number 6

In 2013, Gallup surveyed a nationally representative sample of 2027 adults about their soda consumption. The survey showed that 485 mostly drank diet soda.