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Find the experimental probability of getting the letter e when a letter is drawn at random from this text:
In English, the letter e appears most frequently among alphabetical characters. In these lines, it appears eighteen times.
Note: Exclude spaces and punctuation marks from your analysis.
R2 000 is invested at 10% per annum compounded half-yearly. After three months, the interest rate changes to 12% per annum compounded monthly. Find the value of the investment after two years.
Monthly sales figures for store are as follows. Determine the:Mid-rangeStandard Variance.
Calculate the mean and standard deviation of these data. b. Determine the following intervals for this data set:
Of the nine members of the board of trustees of a college, five agree with president on a certain issue. The president selects three trustees at random and asks for their opinions. What is the probability that at least two of them would agree with..
Show how to figure the significance level, the test statistic, and the critical values from this test.
Provide an example of a situation from your personal or professional experience where an two-sample test of hypothesis of dependent samples would be useful in a decision-making process.
The circulation of a newsletter decreased from 3,200 to 2,464. What was the percent of decrease in circulation?
a. Calculate the probability that the sample proportion will be within ±0.05 of the population proportion. b. Calculate the probability that the sample proportion will be within ±1 standard error of the population proportion.
the following data summarizes the historical demand for a productmonthactual
Input prices vary independently of output prices, and input price on a given day is the outcome of W with
the television show pretty betty has been successful for many years. that show recently had a share of 16 meaning that
assume xngam1n and let znxn-nsqrn. show that zn converges in distribution to zn01.hint show that mzntexp-sqrnt -
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