1)Permutation----nPr = n! ---- (n-r)! 2)Combination----nCr = nPr = n! ----- ------- n r! r! (n-r)! 3)Summation-----∑ X i i =1 n 4)Product--------Л Xi i=1 5)Age specific fertility rate(Asfr)=No of
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Current Position Jones Electrical Distribution (hereinafter Jones Electric) is currently facing an issue with cash flows‚ which will ultimately affect the overall profitability and growth potential for the company. The owner‚ Nelson Jones‚ is diligent in paying his suppliers within ten days in order to capitalize on a two percent early pay discount‚ but in doing so‚ has over-extended cash flows. Though the company has been profitable and growing over the past three years‚ its current lender‚ Metropolitan
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Independent sample T-test: * unknown variances * expected normal distribution * comparing means * (Als variantie bekend is dan z-test) * Analyse-compare means-independent sample t-test‚ define groups * H0: RateMen=RateWoman (do not differ) * Ha: Ratemen≠RateWoman (RateMen differs from RateWoman) * H0: u1 = u2 vs. HA: u1 ≠ u2 (this is two tailed ) also possible: * H0:uWomen≥ uMen vs. HA: uWomen0 OR d 6000 → Ha: p > 0‚5 of Ha≠0‚5 indien dubbelzijdig wilt
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returns are at or below the 10th percentile of the distribution of yearly returns? What percentage are at or above the 10th percentile? Find the 10th percentile of the distribution of yearly returns. Below 10 percentile = 10% and above 10 percentile=90% b. Find the first quartile. Q‚ and the third quartile‚ O‚‚ of the distribution of yearly returns. 5.43 Under what condition may we use the normal approximation to the binomial distribution? if and ‚ binominal random variable x趨近於常態分配 5.47 An
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the survey? –From the sample that was selected‚ what was the population? Ch. 7 Pr. 17 For each of the following three populations‚ indicate what the sampling distribution for samples of 25 would consist of: a. Travel expense vouchers for a university in an academic year. -The sampling distribution of a sample means is the distribution of means from all possible samples of 25 vouchers that could possibly happen. Ch. 7 Pr.24 A random sample of 50 households as selected for a telephone survey
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Tax Incidence Statutory Incidence of a tax Mengindikasikan siapakah yang secara legal bertanggung jawab (menanggung) pajak (misal: penjual atau pembeli?) Economic Incidence of a tax Perubahan dalam distribusi pendapatan riil pribadi yang dipengaruhi pajak Pajak progressive dapat dihitung dengan berbagai cara. Proportional‚ progressive dan regressive. Average tax rate‚ ratio dari pajak yang dibayarkan terhadap pendapatan. jika Average tax rate naik dari pendapatan‚ systemnya adalah
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It’s been a long while since H B Lee really relaxed. Since last February‚ when he took over in New Delhi as President and CEO of Samsung‚ South West Asia‚ the 58-year-old Lee has been busy turning all Samsung strategies on their heads. The Korean consumer electronics giant is now reaching deeper and wider into the Indian market‚ tempting consumers with technologically advanced products specially tailored to their needs. Showrooms are being brought under a common umbrella brand and now‚ a new
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Condom Availability in College Due to the escalating spread of sexually transmitted diseases throughout the country‚ the College Administration at County College has decided to install condom dispensers in all campus restrooms in an attempt to prevent and decrease the transmission of STD’s. HIV/AIDS is the specific deadly disease that the college is mostly concerned about. Although this decision has caused a great deal of controversy among the county college community‚ the installation of condom
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location is affected most by extreme values? 3. Which level of measurement is required for the median? 4. In which of the following distributions is the probability of a success usually small? 5. Which of the following is not a requirement of a probability distribution? 6. Which of the following is not a requirement of a binomial distribution? 7. A sample 8. The difference between the sample mean and the population mean is called the 9. Suppose a population consisted of
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PROBABILITY THEORY 1. Consider the following data: 1‚ 7‚ 3‚ 3‚ 6‚ 4 the mean and median for this data are a. 4 and 3 b. 4.8 and 3 c. 4.8 and 3 1/2 d. 4 and 3 1/2 e. 4 and 3 1/3 2. A distribution of 6 scores has a median of 21. If the highest score increases 3 points‚ the median will become __. a. 21 b. 21.5 c. 24 d. Cannot be determined without additional information. e. none of these
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