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Classified in Mathematics

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The sample proportion - T

the T distribution varies - T
the t distribution has the same general -T
the standard deviation for the t - F
the t distribution has a parameter called - T
in hypothesis testing, we always - T
8- 90% confidence...   D
9- 95% - C (neither the normal nor the t)
10- (2398) D
11- B 
12- D
13-    p=.53
         ho: p= .53
         h1: p=/ .53
        b) two tail
       c) (+ -) 1.645
       d) z= (0.45-0.53)/ raiz de [(0.53 x 0.55)/100] = -1.60
       e) 2(0.0548) = 0.1096
       f) fail to reject Ho and conclude there is not sufficient evidence to warrant rejection of the claim that the proportion of people who vote for an incumbent president is 53%.

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