A research study examined the blood vitamin D levels of the entire US population of landscape gardeners. The population average level of vitamin D in US landscapers was found to be 40.76 ng/mL with a standard deviation of 4.678 ng/mL. Assuming the true distribution of blood vitamin D levels follows a normal distribution, if you […]
Suppose at random 45% of school children develop nausea and vomiting following holiday parties and that you conduct a study to examine this phenomenon, with a sample size of n=18. What is the probability that less than 3, or more than 18 children become sick? Please show your work to help me understand how to solve this […]
A research study examined the blood vitamin D levels of the entire US population of landscape gardeners. The population average level of vitamin D in US landscapers was found to be 31.69 ng/mL with a standard deviation of 4.463 ng/mL. Assuming the true distribution of blood vitamin D levels follows a normal distribution, if you […]
A research study examined the blood vitamin D levels of the entire US population of landscape gardeners. The population average level of vitamin D in US landscapers was found to be 40.27 ng/mL with a standard deviation of 6 ng/mL. Assuming the true distribution of blood vitamin D levels follows a normal distribution, if you […]
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