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Can someone please answer the following questions and explain the steps taken along the way: a)...

Can someone please answer the following questions and explain the steps taken along the way:

a) A sample of 500 had a mean of 1995 daily caloric intake in the adult rural developing country and a standard deviation of 220. Do these data provide sufficient evidence to indicate that the population mean is greater than 1900? Let α = 0.05.

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Solution! Given that, x=laas 6 = 220 n=5oo در ۱۹۰۵ = 0.05 Hoiu=1900 Ha! uz 190o This is right -tailed test Test statistic, 6h

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