A government agency has specialists who analyze the frequencies of letters of the alphabet in an attempt to decipher intercepted messages. In standard English text, a particular letter is used at a rate of 7.8%. A. Find the mean and standard deviation for the number of times this letter will be found on a typical page of 2900 characters. u=____ o=____ (round to one decimal place as needed) B. In an intercepted message, a page of 2900 characters is found to have the letter occurring 266 times. Is this usual? A) No, because 266 is within the range of usual values B) Yes, because 266 is below the minimum usual value. C) Yes, because 266 is within the range of usual values. D) Yes, because 266 is greater than the maximum usual value.
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.Read more
Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.Read more
Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.Read more
Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.Read more
By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.Read more