The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words per

Question:

The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words per minute and a standard deviation of 24 words per minute.

(a) Draw a normal model that describes the reading speed of sixth-grade students.

(b)Find and interpret the probability that a randomly selected sixth-grade student reads less than 100 words per minute.

(c)Find and interpret the probability that a randomly selected sixth-grade student reads more than 140 words per minute.

(d)Find and interpret the probability that a randomly selected sixth-grade student reads between 110 and 130 words per minute. 0.3189

(e)Would it be unusual for a sixth grader to read more than 200 words per minute? Why?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Answer rating: 87% (16 reviews)

a b From Table V the area to the left of 104 is 01492 so PX ...View the full answer

Answered By

Ali Khawaja

my expertise are as follows: financial accounting : - journal entries - financial statements including balance sheet, profit & loss account, cash flow statement & statement of changes in equity -consolidated statement of financial position. -ratio analysis -depreciation methods -accounting concepts -understanding and application of all international financial reporting standards (ifrs) -international accounting standards (ias) -etc business analysis : -business strategy -strategic choices -business processes -e-business -e-marketing -project management -finance -hrm financial management : -project appraisal -capital budgeting -net present value (npv) -internal rate of return (irr) -net present value(npv) -payback period -strategic position -strategic choices -information technology -project management -finance -human resource management auditing: -internal audit -external audit -substantive procedures -analytic procedures -designing and assessment of internal controls -developing the flow charts & data flow diagrams -audit reports -engagement letter -materiality economics: -micro -macro -game theory -econometric -mathematical application in economics -empirical macroeconomics -international trade -international political economy -monetary theory and policy -public economics ,business law, and all regarding commerce

4.00+ 1+ Reviews 10+ Question Solved

Related Book For book-img-for-question

Statistics Informed Decisions Using Data

ISBN: 9780134133539

5th Edition

Authors: Michael Sullivan III

See More Books

Question Posted: Jan 04, 2018 01:02 AM

See More Questions

The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words per

Question:

Step by Step Answer:

a b From Table V the area to the left of 104 is 01492 so PX ...View the full answer

Statistics Informed Decisions Using Data

Students also viewed these Statistics questions