Suppose that the amount of sleep, in hours, obtained per night by healthy adults is normally distributed with an unknown population mean and standard deviation. If a random sample of 36 healthy adults is taken to estimate the mean nightly amount of sleep, what t-score should be used to find a 95% confidence interval estimate for the population mean

you divide the cost ($15) by the quantity (6) to get your questions answer. the yo-yo costs $2.50. hope this : )!

step-by-step explanation:

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !

1) is right

step-by-step explanation:

1/4 because there is 4 grades.