Mathematics, 18.12.2019 21:31 sandyrose3012
Suppose the time that it takes a certain large bank to approve a home loan is normally distributed, with mean (in days) μ μ and standard deviation σ = 1 σ=1 . the bank advertises that it approves loans in 5 days, on average, but measurements on a random sample of 500 loan applications to this bank gave a mean approval time of ¯ x = 5.3 x¯=5.3 days. is this evidence that the mean time to approval is actually longer than advertised? to answer this, test the hypotheses h 0 : μ = 5 h0: μ=5 , h α : μ > 5 hα: μ> 5 at significance level α = 0.01 α=0.01 .
Answers: 2
Mathematics, 21.06.2019 14:00
Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.
Answers: 1
Suppose the time that it takes a certain large bank to approve a home loan is normally distributed,...
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