A social media survey found that 74​% of parents are​ "friends" with their children on a certain online networking site. A random sample of 130 parents was selected. Complete parts a through d below.       Question content area bottom Part 1 a. Calculate the standard error of the proportion.   σp=37.526737.5267 ​(Round to four decimal places as​ needed.) Part 2   b. What is the probability that 102 or more parents from this sample are​ "friends" with their children on this online networking​ site?   ​P(102 or more parents from this sample are​ "friends" with their ​children)=00 ​(Round to four decimal places as​ needed.) Part 3   c. What is the probability that between 96 and 104 parents from this sample are​ "friends" with their children on this online networking​ site?   ​P(Between 96 and 104 parents from this sample are​ "friends" with their ​children)=enter your response here ​(Round to four decimal places as​ needed.)

College graduates in a random sample were asked the age when they earned their bachelor's degree. The data are summarized in the frequency table below. Find the mean of the sample. Submit your answer as a decimal value rounded to the nearest tenth. Frequency table: Count of the age when students graduated with a bachelor's degree Age 21 22 23 24 25 26 Frequency 1 3 4 2 O 9

Determine whether the statement describes a descriptive or inferential statistic. A survey of 1478 people revealed that 52 % eat while they drive; therefore it can be assumed that 52 % of the U.S. population eats while they drive. 囲 Tables E Keypad Answer Keyboard Shortcu O Descriptive Statistic O Inferential Statistic

A survey of 100 students are taken. 32 Yes and 68 no. Find the point estimate of p and 96% CI.

Determine whether each sample is a random sample or a biased sample. Explain. 1. Carlos chooses 50 movies at random from a list of all his movies to determine the average runtime of the movies in his collection.

A researcher randomly purchases several different kits of a popular building toy. The following table shows the number of pieces in each kit in the sample. Find the mean of the data. Round your answer to the nearest hundredth, if necessary. Building Toy Pieces 152 37 257 342 342 37 96 288 257 101 162 200 Copy Data

Find the median and lower quartile of the number of wins of the Mariners for 6 years.  Years and wins below: 2010/2011/2012/2013/2014/2015 71      61        72      86      89       95 A) Find the median. Show work. B) Find the lower quartile. Show work.

According to a college survey, 32% of all students work full time. Find the mean for the number of students who work full time in samples of size 16. Round your answer to the nearest hundredth if needed.

a.  t test for population mean or z test for population proportion  b. μ or p  H0: =, <, >, or ≠ H1:  =, <, >, or ≠ c. z or t

Help, please.