A spinner is divided into four equal sections: two are red, one is green, and one is blue. If you spin the spinner four times in a row and it lands on green each time, would you think that the spinner is broken? No. However, if the spinner lands on green a fifth time, then there is something wrong with the spinner. O No. The probability of four green spins is 0.0039, which is small but not impossible. Yes. Two of the four spins would have landed on red if the spinner was fair. Yes. The probability of four green spins is 0.0039, which is too small for the event to likely occur.
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.
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