A national survey of 1500 adult citizens of a nation found that 16% dreaded Valentine's Day. The margin of error for the survey was 8.6 percentage points with 90% confidence. Explain what this means. Question Help Which statement below is the best explanation? O A. There is 90% confidence that 16% of the adult citizens of the nation dreaded Valentine's Day O B. There is 90% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.074 and 0.246. O C. There is 81.4% to 98.6% confidence that 16% of the adult citizens of the nation dreaded Valentine's Day. D. In 90% of samples of adult citizens of the nation, the proportion that dreaded Valentine's Day is between 0.074 and 0.246 ents Click to select your answer. ? ccess 100% ia Library 725 F N 11/10/2 ype here to search SUs puse eck D2 0 18

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Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.