Mrs. Smith's reading class can read an average of 175 words per minute with a standard...

Mrs. Smith's reading class can read an average of 175 words per minute with a standard deviation of 20 words per minute. The bottom 6% of the class is to receive a special training session. What is the minimum number of words per minutes a student would need to read in order to get training?

Expert Solution

orchestra answered 2 years ago

The average reading speed of adult Americans is claimed to be 250 words per minute. The...

The average reading speed of adult Americans is claimed to be 250 words per minute. The English department of a major American research university believes that this is not the case. They conduct a study using a simple random sample of 74 adult Americans and ﬁnd an average reading speed of 280 words per minute. Assume the population standard deviation is know to be 25 words per minute. Given the above information answer the following questions. Looking for null and...

The speech recognition software used by Mr. Smith's company can transcribe 130 words per minute. He...

The speech recognition software used by Mr. Smith's company can transcribe 130 words per minute. He will purchase a new product only if it can be shown to increase the speed. 41 tests were ran on the new software resulting in a mean of 135 and standard deviation of 4.5 words per minute with alpha= .01, Should he purchase the new software?

The sample data below are the typing speeds (in words per minute) and reading speeds (in...

The sample data below are the typing speeds (in words per minute) and reading speeds (in words per minute) of nine randomly selected secretaries. Here, x denotes typing speed, and y denotes reading speed. X 60 56 52 63 70 58 44 79 62 Y 587 551 528 607 645 531 503 652 571 At the 10% significance level, predict the reading speed for a typing speed of 74 words per minute.

The Mean number of words per minute (WPM) read by sixth graders is 98 with a...

The Mean number of words per minute (WPM) read by sixth graders is 98 with a standard deviation of 20. If 57 sixth graders are randomly selected, what is the probability that the sample mean would differ from the population mean by greater than 4.41 WPM? ( round your answer to 4 Decimal places and show work)

The mean number of words per minute (WPM) read by sixth graders is 99 with a...

The mean number of words per minute (WPM) read by sixth graders is 99 with a variance of 441. If 82 sixth graders are randomly selected, what is the probability that the sample mean would differ from the population mean by less than 3.69 WPM? Round your answer to four decimal places.

The mean number of words per minute (WPM) read by sixth graders is 83 with a...

The mean number of words per minute (WPM) read by sixth graders is 83 with a standard deviation of 12 WPM. If 89 sixth graders are randomly selected, what is the probability that the sample mean would differ from the population mean by greater than 1.4 WPM? Round your answer to four decimal places.

If you can read at an average rate of 5.15 words per second, how long will...

If you can read at an average rate of 5.15 words per second, how long will it take you to read a 505 page book that has an average of 995 words per page? Let’s say you need to make 12.0 dozen cookies. You decide to make these cookies in batches of 24.0 cookies each. Each batch of cookies requires 27.0 mL of vanilla extract. Each bottle of vanilla extract contains 150. mL of liquid. How many bottles of vanilla...

Question 1 Keyboarding or typing 100 words per minute can be thought of as a? Group...

Question 1 Keyboarding or typing 100 words per minute can be thought of as a? Group of answer choices A)competency B)skill C)aptitude D)none of the above is correct Question 2 Lacey studied at Florida Atlantic University (FAU) for her bachelor's in business administration (BBA). Along the way, she took several keyboarding courses and types over 130 words per minute. In her coursework, she also studied hotel & resort operations as well as, specifically, an external course on the Best Use...

A cashier at Carter’s cafeteria can total an average of 2.2 trays per minute. The probability...

A cashier at Carter’s cafeteria can total an average of 2.2 trays per minute. The probability that the cashier will total between four and ten trays per minute is: A) 0.9281 B) 0.8193 C) 0.1807 D) 0.3772 E) 0.0724

The speech recognition software used by Mr Smiths company can transcribe 130 words per minute. He...

The speech recognition software used by Mr Smiths company can transcribe 130 words per minute. He will purchase a new product only if it can be shown to increase the speed. 41 tests were run on the new software resulting in a mean of 135 and a standard deviation of 4.5 words per minute. With a=.01 should he purchase the new software?

Question