Question: A random sample of n = 68 observations is selected from a population with = 19.6 and = 3.2. Approximate each of the

A random sample of n = 68 observations is selected from a population with μ = 19.6 and σ = 3.2. Approximate each of the following probabilities:
a. P(x̅ ≤ 19.6)
b. P(x̅ ≤ 19)
c. P(x̅ ≥ 20.1)
d. P(19.2 ≤ x̅ ≤ 20.6)

Step by Step Solution

★★★★★

3.32 Rating (164 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

By the Central Limit Theorem the sampling distrib... View full answer

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

1346-M-S-S-D(4970).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

A random sample of n = 12 four-year-old red pine trees was selected, and the diameter (in inches) of each trees main stem was measured. The resulting observations are as follows: a. Compute a point...

Suppose that a random sample of n = 100 observations is taken from the normal distribution with unknown mean and known variance 1, and let denote the sample median. Determine (approximately) the...

Suppose that a random sample of n = 100 observations is taken from the Cauchy distribution centered at an unknown point , and let denote the sample median. Determine (approximately) the value of 0.1).

55 A random sample of n = 68 observations is selected from a population with m = 19.6 and s = 3.2. Approximate each of the following probabilities: a. P(x 19.6) b. P(x 19) c. P(x 20.1) d. P(19.2 ...

A random sample of n = l observations is selected from a population with p = 3D and o = 1s Approximate the following probabilities: a. PL? 3 28) h. P(22.l 5 J? 5 26.3) NOW WORK Salary of a travel...

Please Help. Do Homework - Cassie Amundson - Google Chrome - X mathxl.com/Student/PlayerHomework.aspx?homeworkld=57501 1959&questionld=4&flushed=false&cld=61749598centerwin=yes MAT_137_406_1060...

Please help with the following questions 1. Data collected over a long period of time showed that a particular genetic defect occurs in 2 of every 1000 children. Let X be the random variable "number...

A random sample of n = 100 observations is selected from a population with p = 30 and 0' = 22. Approximate the probabilities shown below. a. P(

A random sample of n = 100 observations is selected from a population with u = 29 and o = 17. Approximate the probabilities shown below. a. P(x 2 28) b. P(22.1 S X 5 26.8) C. P(x S 28.2) d. P(x 2...

8 questions, some with parts 1. IQ Score Invest in market No. Investment Totals 1 893 4,682 5,575 2 1,327 8,959 10,286 3 2,110 9,519 11,629 4 5,387 19,584 24,971 5 8,108 24,602 32,710 6 10,121 20,108...

Recently at a press conference, Network of Critical Governance (NCG), a collation of civil society organisation (CSOs) in governance and accountability, has described the fiscal condition of the...

You have joined the companies finance team couple of months ago and went through a series of on job rotation and training. Today, the team welcomes a new member and your supervisor asks you take care...

Question 1 You are preparing to produce some goods for sale. You will sell them in one year and you will incur costs of \ ( \ $ 9 0 , 0 0 0 \ ) immediately. If your cost of capital is \ ( 6 . 8 \ % \...

This question involves the hypothetical iPong firm from question 3. a. How will demand be affected if a ratings agency upgrades your bond rating to AA? b. How will the ratings upgrade affect the...

Scores on a particular test, taken by a large group of students, follow a normal distribution with a standard deviation of 40 points. A random sample of 16 scores was taken to estimate the population...

In a particular year 40% of home sales were partially financed by the seller. A random sample of 250 sales is examined. a. The probability is 0.8 that the sample proportion is more than what amount?...

A candidate for office intends to campaign in a state if her initial support level exceeds 30% of the voters. A random sample of 300 voters is taken, and it is decided to campaign if the sample...

The Gecko Company and the Gordon Company are two firms that have the same business risk but different dividend policies. Gecko pays no dividend, whereas Gordon has an expected dividend yield of 6...

3. Calculate the financial ratios for the company in 2019 and 2020. (2 marks) Note: Purchases were %70 of the cost of goods sold in both years. 2019 2020 Financial Ratios Current ratio Quick ratio...

Joe starts a savings account with $ 500,000 in a bank that pays him an interest rate of 2% per month. Every end of the month he deposits $ 200,000, for 12 months. If at the end of month 6 he makes an...