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Yakvenalex [24]
3 years ago
9

Jeremiah wants to estimate the mean age of students at his large university. He'll sample n students and make a 95%, percent con

fidence interval for the mean age. He is willing to use σ=3 years as an estimate of the standard deviation, and he wants the margin of error to be no more than 1 year. Which of these is the smallest approximate sample size required to obtain the desired margin of error?
Mathematics
2 answers:
ANEK [815]3 years ago
7 0

Answer:

Hint: 95% is close to a whole for example 0.95 is 95% of 1

Step-by-step explanation:

Gnoma [55]3 years ago
5 0

Answer:

35 students

Step-by-step explanation:

khan

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Can you help me with my posted questions
6 0
3 years ago
Please help i am new here
DENIUS [597]

Answer: 1. 3/8-1/4=1/8

2. 3/8+1/4=5/8

3. x=5/8

Step-by-step explanation: 1. you have to subtract 3/8 by 1/4 because you have to use the largest number to subtract for the smallest number so 3/8-1/4=1/8

2. Add by adding 3/8 by 1/4 because you have to find the value of x so 3/8+1/4=5/8

3. look at number 2. and the answer is x= 5/8

plz mark me brainliest

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