A randomly selected sample of n =51 men in Brazil had an average lifespan of 59 years. The standard deviation was 10 years. Calculate a 98% confidence interval for the average lifespan for all men in Brazil.

The 98% confidence interval would be given by (55.639;62.361)    

Step-by-step explanation:

Information given

represent the sample mean

represent the sample deviation

represent the sample size

Solution to the problem

The confidence interval for the mean is given by the following formula:

  (1)

The degrees of freedom are given by:

The Confidence is 0.98 or 98%, the significance would be and ,and the critical value would be

And replacing we got:

The 98% confidence interval would be given by (55.639;62.361)    

21 i watched a 3 hr vid explaining it

step-by-step explanation:

du what else would it be

brainliest

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation: