The proportion of business students who have personal computers (PC\'s) at home.
ID: 3292655 • Letter: T
Question
The proportion of business students who have personal computers (PC's) at home. If the proportion differs from 25%, then the lab will modify a proposed enlargement of its facilities. Suppose a hypothesis test is conducted and the test statistic is 2.5. Find the P-value for a two-tailed test of hypothesis. 0.0164 0.0136 0.0082 0.0124 Two samples are said to be dependent if sampling for inclusion in the two samples is done with replacement. the individuals in one sample have no influence over the selection of the individuals in a second sample. the individuals in one sample are used to determine the individuals in a second sample. some individuals, but no all, in one sample exert influence over who is selected for inclusion in second ample. Find the standardized test statistic to test the hypothesis that mu_1 notequalto mu_2. Two samples are randomly selected from each population. The sample statistics are given below. Use alpha = 0.02. n_1 = 51 X_1bar = 3.6 S_1 = 0.76 n_2 = 38 X_2bar = 4.0 S_2 = 0.51 -1.82 -2.32 -2.12 -2.97Explanation / Answer
Q11) P value = P(z<-2.5)+P(z>2.5)
Use normal tables
P value = 0.0124
Option D is correct
Q12) Option C is correct when one sample needs to determine the value in the second sample.
Q13) z = (3.6-4)/Sqrt((0.76*0.76/51)+(0.51*0.51/38))
Z = -2.97
Option D is Correct
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