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Hello, I have added my answer but it was incorrect, I am asking that you help me please, thank you. Please show me this in

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Hello, I have added my answer but it was incorrect, I am asking that you help me please, thank you.

Please show me this in excel with a screenshot if you can, because I need help with the excel formula.

image text in transcribed
1) Find the 25th percentile of the t-distribution with 30 degrees of freedom, Type as #.### Incorrect 2.568 The T.INV function should be used. Check Show answer 2) Find the 60th percentile of the t-distribution with 4 degrees of freedom, Type as #.### Check Show answer to Edit & Create The United States Census Bureau determined that the mean number of children in an American household is 1.86. Polls of 15 households were conducted in a certain city. 1) What is the number of degrees of freedom? ncorrect -2.89 df = n-1 Check Show answer 2) A poll of 15 households had a sample mean of 3.26 children and a sample standard deviation of 2.12 children. What is the t-statistic? Type as: #.### Check Show answer 3) What is the probability of finding 15 households with a sample mean of 3.26 children or less? Type as: #.### Check Show answer 4) A different poll of 15 households had a sample mean of 2.72 children and a sample standard deviation of 2.12 children. What is the t-statistic? Type as: #.### Check Show answer 5) What is the probability of finding 15 households with a sample mean between 2.72 and 3.26 children and a standard deviation of 2.12? Type as: #.### Check Show

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