Upper H 0

H0?: mu greater than or equals 60

??60

Upper H 1

H1?: mu less than 60

?<60

Given that x overbar equals 55.4

x=55.4?, s=13.9

n =35? alpha=0.10?,

complete parts a and b below.

?a)What conclusion should be? drawn?

Determine the critical? value(s).

The critical? value(s) is(are)

nothing

.

?(Round to three decimal places as needed. Use a comma to separate answers as? needed.)