Question: Normal population has mean=8 and standard deviation =6 what proportion of population is less than 20? what is the probability that a randomly chosen value

Normal population has mean=8 and standard deviation =6

what proportion of population is less than 20?

what is the probability that a randomly chosen value will be greater than 6?

round 4 decimal places

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!

Q:

A normal population has a mean u = 33 and standard deviation o = 8. What is the probability that a randomly chosen value will be greater than 30? O 0.3557 O 0.6480 O 0.7486 O 0.7881

Q:

Detailed answers needed. 1. Let Xi,.... Xio be a random sample from a normal population with mean / and standard deviation 4. Let X be the sample mean and suppose X = 48. Find a 95% confidence...

Q:

1)Use theCumulative Normal Distribution Tableto find the z -scoresthat bound the middle90% of the area under the standard normal curve. Enter the answers in ascending order. Round the answers to two...

Q:

' B P\" 02 5' 98 G Details Here isaset of data. 39 | 59 | 73 | 61 | 149 | 205 223 | 272 | 379 505 | 545 | 563 595 | 635 | 656 | 822 827 | 942 | Identify the 5 number summary (min, Q1, median, 03,...

Q:

Refer to the data in the accompanying table for the heights of females. Complete parts (a) through (d) below. Click the icon to view the table of height data. a. Enter the observed frequencies in the...

Q:

Suppose that the speed at which cars go on the freeway is normally distributed with mean 66 mph and standard deviation 6 miles per hour. Let X be the speed for a randomly selected car. a. What is the...

Q:

For the follow questions please record your answers to at least three decimal places. The scores of students on the SAT college entrance examinations at a certain high school had a normal...

Q:

A sample of size 60 will be drawn from a population with mean 31 and standard deviation 6. Use the TI-83 Plus/TI-84 Plus calculator. (a) Find the probability that ; will be more than 30. Round the...

Q:

Refer to the data in the accompanying table for the heights of females. Complete parts (a) through (d) below. a Click the icon to view the table of height data. a. Enter the observed frequencies in...

Q:

A normal population has mean =34and standard deviation=10 (a) What proportion of the population is between 10 and 20? (b) What is the probability that a randomly chosen value will be between 28 and...

Q:

For each of the following situations, what amount would the insurance company pay? (a) Wind damage of $860; the insured has a $300 deductible. (b) Theft of a home entertainment system worth $2,080;...

Q:

Why do bond discounts and bond premiums arise at the time of sale?

Q:

which depreciation method results in higher depreciation expense in the earlier years of an assets life compared to the alter years?

Q:

Klingon Cruisers, Inc., purchased new cloaking machinery five years ago for $5 million. The machinery can be sold to the Romulans today for $4.1 million. Klingon's current balance sheet shows net...

Q:

1. What types of companies are most likely to adopt cloud-based CRM software services? Why? What companies might not be well-suited for this type of software? Salesforce.com is the most successful...

Q:

8-13 What is a botnet? The IT sector is one of the key drivers of the European economy. It has been estimated that 60 percent of Europeans use the Internet regularly. Additionally, 87 percent own or...

Q:

8-15 Explain how a cyber attack can be carried out. The IT sector is one of the key drivers of the European economy. It has been estimated that 60 percent of Europeans use the Internet regularly....