If X has a t-distribution with df = 14, find P(X < -1.42). NEED STEP BY...

If X has a t-distribution with df = 14, find P(X < -1.42).

NEED STEP BY STEP ON HOW TO SOLVE IN EXCEL

Expert Solution

Solution:

Given: X has a t-distribution with df = 14

We have to find P( X < -1.42 ) by using EXCEL.

In Excel 2010 or more version, use following Excel command:

=T.DIST(x , df , cumulative)

=T.DIST(-1.42,14,TRUE)

=0.08874606

=0.0887

Thus P( X < -1.42 ) = 0.0887

In older version like Excel 2007, use following command:

=TDIST( absolute t, df , tails)

=TDIST(1.42,14,1)

orchestra answered 2 years ago

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