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Question: One card is drawn at random from a deck of 52 cards. The first card is not replaced, and a second card is drawn. Find the probability that
(a) both cards are spades.
(b) the first card is a heart and the second is a club.
question the average heights of a random sample of 400 people from a city is 1.75 m. it is known that the heights of
6.34 Telemarketing wages. An advertisement in the student newspaper asks you to consider working for a telemarketing company. The ad states, "Earn between $500 and $1000 per week." Do you think that the ad is describing a con?dence interval? Expl..
According to The Wellness Encyclopedia (University of California, 1991, p.17): "Alcohol consumed to excess increases the risk of cancer of the mouth.
construct a 90% confidence interval for the true mean weight. what sample size would be necessary to estimate the true weight with an error +/- 0.03 grams with 90% confidence?
the liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before it loses its
Compute SS, variance, and standard deviation for following population of N = 7.Scores: 8, 1, 4, 3, 5, 3, and 4. The definitional formula works well with these scores. Use the definitional formula to compute SS.
Explain why X is a binomial random variable, and specify n and p, assuming that the participant is just guessing.- Find the mean and standard deviation for X if the participant is just guessing.
How would you communicate this information to the Vice-President of Human Resources in non-statistical language.
Please show every step no matter how minor, use the brackets for each reduction and write out every equation change. Please leave no details out. 1) Find the general solutions of the systems whose augmented matricies are given in a) and b).
you have applied to three medical schools university of california at san fransico ucsf duluth school of mind dsm and
if the mean value of a set of data including 6 sample tests is 20 and the standard deviation of the data is 5 what is
Conduct a hypothesis test to determine whether the whisper number justifies a conclusion of a statistically significant increase in the consensus estimate of economists. Use a = .01 as the level of significance.
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