Tutor profile: Matilyn S.
Complete the following sentence with the correct word tense: He _______ very fast. A. drive B. drives C. are driving D. driving
B. drives is the correct tense in this sentence
True or false: The first psychology is attributed to the discoveries of Wilhelm Wundt. In particular, he was very interested in understanding the functional value of our psyche.
In one state, 52% of the voters are Republicans, and 48% are Democrats. In a second state, 47% of the voters are Republicans, and 53% are Democrats. Suppose a simple random sample of 100 voters are surveyed from each state. What is the probability that the survey will show a greater percentage of Republican voters in the second state than in the first state? (A) 0.32 (B) 0.09 (C) 0.24 (D) 0.77
The correct answer is C. For this analysis, let P1 = the proportion of Republican voters in the first state, P2 = the proportion of Republican voters in the second state, p1 = the proportion of Republican voters in the sample from the first state, and p2 = the proportion of Republican voters in the sample from the second state. The number of voters sampled from the first state (n1) = 100, and the number of voters sampled from the second state (n2) = 100.
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