Assume that the download times for a two-hour movie are uniformly distributed between 18 and 24 minutes. Find the following probabilities. a. What is the probability that the download time will be less than 19 minutes? b. What is the probability that the download time will be more than 23 minutes? c. What is the probability that the download time will be between 20 and 22 minutes? d. What are the mean and standard deviation of the download times? a. The probability that the download time will be less than 19 minutes is (Round to four decimal places as needed.) b. The probability that the download time will be more than 23 minutes is (Round to four decimal places as needed.) c. The probability that the download time will be between 20 and 22 minutes is (Round to four decimal places as needed.) d. The mean of the given uniform distribution is u = (Type an integer or a decimal.) The standard deviation of the given uniform distribution is o = (Round to four decimal places as needed.)

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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.