According to a study, brain weights of men in country A are normally distributed with mean 1.29 kg and standard deviation 0.11 kg. Apply the empirical rule to complete each sentence. Complete parts (a) through (d). a. Complete the sentence "Approximately 68% of the men have brain weights between kg and kg." Approximately 68% of the men have brain weights between kg and kg. (Type integers or decimals. Do not round) b. Complete the sentence "Approximately 95% of the men have brain weights between kg and kg." Approximately 95% of the men have brain weights between kg and kg. (Type integers or decimals. Do not round) c. Complete the sentence "Approximately 99.7% of the men have brain weights between kg and kg." Approximately 99.7% of the men have brain weights between kg and kg. (Type integers or decimals. Do not round) d. Graph the areas enclosed by each set of values in parts (a) through (c). Graph the area enclosed by the values in part (a). A. В. O C. OD. 68% 68% 68% 68% 1.18 1.40 1.18 1.40 1.18 1.40 1.18 1.40 Graph the area enclosed by the values in part (b). O A. В. С. D. Q 95% 95% 95% 95% 1.07 1.51 1.07 1.51 1.07 1.51 1.07 1.51 Graph the area enclosed by the values in part (c). O A. В. C. D. 99.7% 99.7% 99.7% 99.7% 0.96 1.62 0.96 1.62 0.96 1.62 0.96 1.62

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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.