Form a normally distributed population, a simple random sample of size 30 is taken. the mean of the sample is 144 and the standard deviation of the sample is 12. which interval is the 90% confidence interval for the population mean?

Write 47 and 1000 as a decimal

Solve for x. 6 (x - 1) = 9 (x + 2) O x=-8 O X=-3 O x=3 Ox=8

What happens to the average kinetic energy of water molecules as water freezes? A. It decreases as the water releases energy to its surroundings. B. It increases as the water releases energy to its surroundings. C.

A shirt originally cost $47.26, but it is on sale for $44.90. What is the percentage decrease of the price of the shirt?

Identify each number as prime or composite. If the number is composite, list all of its factors.

Wath is 346 rounded to the nearest hundred

Twana thomas is paid $10.50 an hour for a regular 40-hour week. She earns time and a half if she works overtime. This week Thomas worked her regular 40 hours plus 8 1/2 hours of overtime. What is her total pay? A. $456.00 B. $420.00 C. $553.88 D.

in 10 words or fewer, describe what happens to the symbol when you multiply or divide each side of an inequality by a negative number

The ratio of boys to girls in Janice's classroom is 3:5, and there are a total of 32 students in the class. Using complete sentences, explain how you could draw a tape diagram to represent this situation.

Describe the difference between sociology and psychology