Why do we need to construct a confidence interval?

You have a 5-question multiple-choice test. Each question has four choices. You don't know any of the answers.

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. The day before, he drank 1 small bottle and 1 large bottle, for the total of 858 grams. How many grams does each bottle hold?

Carlos invested part of $3,000 in a 10% certificate account and the rest in a 6% passbook account. The total annual interest from both accounts is $270. How much did he invest at 6%?

Use the substitution method to solve the system of equations. Choose the correct ordered pair. 3x+y=10 y=x-2 ОА. (2, 0) ов. (5, 3) Ос. (4, 2) OD. (3, 1)

Benny bought 5 new trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 43 cards left. How many cards did Benny start with?

The following are the temperatures of 10 days in winter in °C. -5, 2, 4, - 3, 7, 9, - 3, 0, 6, 2 Work out the mean temperature.

Whats the factors of 3x2+4x+1

Mirele needs to buy fencing to completely surround her backyard pool. How much fencing should she buy? A pool has a length of 31.74 feet and a height of 14.85 feet. 29.70 feet 63.48 feet 66.35 feet 93.18 feet

A clothing store ran advertisements for a special sale. the store ads read buy one at regular price, get a second one for half price. explain how the terms of the clothing store's sale are different from offering a 50% discount.

The numbers 1, 2, 3, 4, and 5 are written on slips of paper, and 2 slips are drawn at random one at a time without replacement. Find the given probabilities. (a) The sum of the numbers is 8. (b) The sum of the number is 6 or less.