We appreciate your visit to Weights of females have approximately a normal distribution with a mean of 135 lbs and a standard deviation of 20 lbs Allison weighs 145 lbs. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
After using the formula: z = (x - μ) / σ , the z-score for Allison's weight is 0.5.So, the z-score for Allison's weight is 0.5.
To find the z-score for Allison's weight, we use the formula:
z = (x - μ) / σ
where x is Allison's weight (145 lbs), μ is the mean weight of females (135 lbs), and σ is the standard deviation (20 lbs).
Substituting the values, we get:
z = (145 - 135) / 20
z = 0.5
Therefore, the z-score for Allison's weight is 0.5.
To calculate the z-score for Allison's weight, we can use the following formula:
z-score = (Allison's weight - mean weight) / standard deviation
Plugging in the given values:
z-score = (145 lbs - 135 lbs) / 20 lbs = 10 lbs / 20 lbs = 0.5
So, the z-score for Allison's weight is 0.5.
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