Educational Television In a random sample of 205 people, 14 said that they watched educational television. Find the 99% confidence interval of the true proportion of people who watched educational television.  Round the answers to at least three decimal places

Q: In one city, 59.6% of the 1500 students surveyed said they eat at the school cafeteria. Find the 95%…

A: Given, Sample size=n=1500 p^=0.596 α=0.05

Q: A survey was conducted that asked 1018 people how many books they had read in the past year. Results…

A: Since population standard deviation is unknown, use t-distribution to find t-critical value. Find…

Q: A research group asked 4488 Americans how they fall asleep, and 536 of them fall asleep on their…

A:

Q: When 290 college students are randomly surveyed, it is found that 120 own a car. Find a 99%…

A: Given that, x=120,n=290 The sample proportion is, Critical values: By using the standard normal…

Q: In a recent poll, 260 people were asked if they liked dogs, and 32% said they did. Find the margin…

A: Find z-critical value:…

Q: A survey showed that 20.2% of the children that participated in the survey like flavor O If the…

A:

Q: In a recent poll, 390 people were asked if they liked dogs, and 33% said they did. Find the Margin…

A: Given p^=Sample proportion=0.33 n=sample size=390 Confidence interval = 99%

Q: At one large college, 1867 out of the 2500 students surveyed said they plan to take another science…

A: The known values are, p^=1,867/2,500=0.7468, n=2,500. Using standard normal table, the critical…

Q: A survey was conducted that asked 1019 people how many books they had read in the past year. Results…

A: X-bar=10.3 S=16.6 Sample size=1019 We need to construct 90% confidence interval

Q: Manual Transmission Automobiles In a recent year, 6% of cars sold had a manual transmission. A…

A: 0.161<P<0.306

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.