To test Ho: H=50 versus H₁: <50, a random sample of size n=23 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail. (a) If x= 47.9 and s= 12.9, compute the test statistic. to (Round to three decimal places as needed.)

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