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Q1) A kindergarten class comprises of 14 boys and 11 girls. If teacher chooses children from class using random sampling.
a) Determine the probability that first child selected will be a girl?
b) If teacher chooses random sample of n=3 children and first two children are both boys. Determine the probability that third child selected will be a girl?
Q2) What is sampling with replacement, and why it is used?
Q3) For normal distribution, recognize z-score location that would separate distribution into two sections so the there is
a) 70% in the body on the right-hand side.
b) 80% in the body on the right-hand side.
c) 75% in the body on the left-hand side.
d) 90% in the body on the left-hand side.
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A gender selection method is effective in helping couples have baby girls, and among 45 babies, 24 are girls. Create subjective estimates to conclude that the evidence does support the claim or that the evidence does not support the claim. Use the..
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To determine whether the mean is greater than 16 ounces using large sample test.
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