Question: Part 4: Use the properties normal distribution to answer the following questions. 13. 68% of the marks on a test are between 81 and 94.

Part 4: Use the properties normal distribution to answer the following questions. 13. 68% of the marks on a test are between 81 and 94. Assume the data is normally distributed, what are the mean and standard deviation? Mean 2 Standard. Deviation =

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

PART 1) Increased use of Telemedicine (10 points)During the COVID-19 pandemic of 2020, the number of health services offered through telemedicine has significantly increased. This provided patients...

learn-us-east-1-prod-fleet02-xythos.content.blackboardcdn.com C PG G Homework Help - Q&A from Online Tutors - Course Hero Bb Final Exam - HSD 269 501 - Fundamentals of Biostatistics... Bb...

' 1 t = l U learn-us-east-1-prod-fleetO2-xythos.content,blackboardcdnLom 0' t o . r11 1 5. The Empirical rule states that _% of all data in under the normal curve is between plus or minus 1 standard...

1, In this problem, we focus on running a hypothesis test when you have a summary of the data. Context: In 2014, Gallup conducted a poll where 42% of those surveyed said they were "Independents" (as...

2 Annuity (50) In this exercise, we analyze the HKMC Annuity Plan (simplified). The following table lists infor- mation of this plan. For more details, check this website. In this exercise, we assume...

IQuestion1 7| For a 4units class like Statistics, students should spend average of 12 hours per week studying for the class. A surveyr was done on students, and the distribution of total study hours...

Problem Statement A retail company is testing a new platform to promote and sell products to business customers. As part of the experiment to examine the effect of the new platform on sales, the...

046 A B D E F F G . Use this blue area to include regression re Put first cell of regression output here 2 Data Table 1 3 Month 4 January 5 February 6 March 7 April 8 May 9 June 10 July 11 August 12...

Assume a population of 1, 3, and 8. Assume that samples of size n= 2 are randomly selected with replacement from the population. Listed below are the nine different samples. Complete parts a through...

Consider the boxplot below. 33 47 63 10 20 30 40 50 60 70 80 data Q a. What quarter has the smallest spread of data? First Quarter Second Quarter Third Quarter Fourth Quarter b. What is that spread?...

An automobile with mass 1650 kg is driven around a circular curve of radius 150 m at 80.0 km/h. Find the centripetal force of the road on the automobile.

A ccess the FASBs Codification Research System at the FASB website (www.fasb.org). Required: Determine the specific citation for accounting for each of the following items: 1. If it is only...

free cash flow is the cash flow available for equity and debt holders t / f

Hello please help my to solve this with steps and explanation: