133 students at a college were asked whether they had completed their required English 101 course, and 85 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 expression can be used for estimating 868 divided by 28

Using the Food and Travel Spending.xlsx data, what is the average spending on travel for people who own a car?  Round all numbers to the nearest whole number.  In your answer, type in only the numbers, no commas, no dollar signs, no decimals, no spaces; e.g., 5246 https://www.dropbox.com/s/137eug0ismbyszf/Food%20and%20Travel%20Spending%20%286%29.xlsx?dl=0

63 students have an iPhone, 28 have android phones, and 22 have no cell phone. What percent of students have an iPhone? Round your answer to the nearest percent.

A survey was conducted to find if modern young people want to have many children. 606 young men were asked if they want to have more than one child. 30% of them answered "Yes". Calculate the margin of error for this survey. Round the percentage to one decimal place. Do not round intermediate steps. If 30% of 606 young men want to have more than one child, the margin of error is       %.

Practice questions for a textbook are marked with difficulty levels of easy , intermediate , and difficult . If 56 of the 140 practice questions are rated as intermediate , approximately what percentage of the questions are intermediate level ?