You have a big exam tomorrow. You were planning to study tonight, but your friend has ticketsto a concert and has invited you to join her. Youwould be willing to accept a B on the exam inorder to go to the concert. You estimate that if youdon’t study you have a 35 percent chance of scoring a 90, a 35 percent chance of scoring an 80 (thescore required to earn a B), a 25 percent chance ofearning a 75, and a 5 percent chance of earning a60. Will you go to the concert? Explain why or whynot.
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.
You have a big exam tomorrow. You were planning to study tonight, but your friend has tickets
to a concert and has invited you to join her. You
would be willing to accept a B on the exam in
order to go to the concert. You estimate that if you
don’t study you have a 35 percent chance of scoring a 90, a 35 percent chance of scoring an 80 (the
score required to earn a B), a 25 percent chance of
earning a 75, and a 5 percent chance of earning a
60. Will you go to the concert? Explain why or why
not.
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