a) State the null and alternative hypothesis for a test to determine the validity of the claim
b) Identify left, right, or two-tailed test type
1).
a) "H_0: \\mu\\ge31,\\;H_a:\\mu<31."
b) Left-tailed.
2).
a) "H_0: \\pi\\le0.45 \\cup \\pi\\ge0.55, \\;H_a:0.45<\\pi<0.55."
b) Two-tailed.
3).
a) "H_0: \\pi\\ge 0.70,\\; H_a:\\pi<0.70."
b) Left-tailed.
4).
a) "H_0: \\mu \\ge 51,\\;H_a:\\mu<51."
b) Left-tailed.
5).
a) "H_0:\\mu\\; \\le 5.5 \\cup \\mu \\ge 6.5, \\;H_a: 5.5<\\mu<6.5."
b) Two-tailed.
6).
a) "H_0:\\mu\\ge 5.5,\\;H_a:\\mu<5.5".
b) Left-tailed.
7).
a) "H_0:\\mu=13,\\;H_a:\\mu\\ne13."
b) Two-tailed.
Comments
Leave a comment