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13 April, 14:29

For each of the following situations, find the critical value (s) for z or t.

a) H0 : pequals0.8 vs. HA : pnot equals0.8 at alphaequals0.05

b) H0 : pequals0.3 vs. HA : pgreater than0.3 at alphaequals0.01

c) H0 : muequals10 vs. HA : munot equals10 at alphaequals0.01 ; nequals34

d) H0 : pequals0.8 vs. HA : pgreater than0.8 at alphaequals0.05 ; nequals350

e) H0 : muequals20 vs. HA : muless than20 at alphaequals0.01 ; nequals1000

+2
Answers (1)
  1. 13 April, 17:15
    0
    Step-by-step explanation:

    Let us assume z test is being used for all

    To find critical values of Z

    a) Two tailed test hence Z critical value = 1.96

    b) Right tailed test hence Z critical value = 2.33

    c) Two tailed test and Z critical value = 2.58

    d) Right tailed test at 5% hence z critical value = 1.645

    e) Left tailed test and Z critical value = - 2.33
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Home » Mathematics » For each of the following situations, find the critical value (s) for z or t. a) H0 : pequals0.8 vs. HA : pnot equals0.8 at alphaequals0.05 b) H0 : pequals0.3 vs. HA : pgreater than0.3 at alphaequals0.01 c) H0 : muequals10 vs.
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