4. A drug company creates a medicine designed to prevent colds, and states that it is equally effective for men and women. To test this claim, they give the medicine to 100 men and 200 women. At the end of the study, 33 men and 95 women caught a cold. Can we say that the drug is equally effective for men and women? (Use a = .01)
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.
Solve second question
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3. In a study done in Michigan, it was determined 38 (out of 62) poor children who attended
pre-school needed social services later in life compared to 49 (out of 61) poor children
who did not attend preschool.
Does this study provide significant evidence that preschool reduces the need for social
services later in life?
4. A drug company creates a medicine designed to prevent colds, and states that it is equally
effective for men and women. To test this claim, they give the medicine to 100 men and
200 women.
At the end of the study, 33 men and 95 women caught a cold. Can we say that the drug is
equally effective for men and women? (Use a ="
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Step by step
Solved in 2 steps with 1 images
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