Given that the data below was randomly selected from a lognormal distribution. What is the probability...
Given that the data below was randomly selected from a lognormal distribution. What is the probability of the average of 39 randomly selected items being less than 3.9? Give your answer to 3 decimal places.
Data
8.4, 2.49, 4.84, 6.08, 1.09, 1.05, 8.64, 2.92
Homework Answers
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Given that the data below was randomly selected from a lognormal distribution. What is the probability...
Given that the data below was randomly selected from a lognormal distribution. What is the probability...
Given that the data below was randomly selected from a lognormal
distribution. What is the probability of the average of 39 randomly
selected items being greater than 22.1? The data below is the
complete SAMPLED data set. WE TOOK A SAMPLE FROM THE TOTAL
POPULATION. YOU DO NOT GET ANY MORE DATA POINTS. IF YOU DON'T KNOW
HOW TO SOLVE THIS, MOVE ON.
The question screen shot and answer is below. (Answer is
0.9755422) Please show how to arrive at...
Given that the data below was randomly selected from a lognormal distribution. What is the probability...
Given that the data below was randomly selected from a lognormal distribution. What is the probability of a randomly selected item having a value greater than 3.9? Give your answer to 3 decimal places. Data 1.72, 124.2, 1.04, 0.84, 12.82, 11.76, 51.2, 0.11
Given that the data below was randomly selected from a lognormal distribution. What is the probability...
Given that the data below was randomly selected from a lognormal distribution. What is the probability of a randomly selected item having a value greater than 3.9? Give your answer to 3 decimal places. Data 1.72, 124.2, 1.04, 0.84, 12.82, 11.76, 51.2, 0.11
Find the probability that a z-score randomly selected from the normal distribution meets the given condition....
Find the probability that a z-score randomly selected from the normal distribution meets the given condition. The Z-score is between -1.5 and 2.5. In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities More than a decade ago, high levels of lead in the blood put 80% of children at risk. A concerted effort was made to remove lead from the environment. Now,...
Data is taken on 773 randomly selected adults who are at least 20 years old. The...
Data is taken on 773 randomly selected adults who are at least 20 years old. The data is broken down according to sex and age. Suppose one person is randomly selected. Find the following empirical probabilities. Round your answers to three decimal places. (a) Find the probability that they are male. (b) Find the probability that they are between 30 and 39 years old. (c) Find the probability that they are between 30 and 39 or they are older than...
In a region, there is a 0.8 probability chance that a randomly selected person of the...
In a region, there is a 0.8 probability chance that a randomly selected person of the population has brown eyes. Assume 11 people are randomly selected. Complete parts (a) through (d) below. a. Find the probability that all of the selected people have brown eyes. The probability that all of the 11 selected people have brown eyes is (Round to three decimal places as needed.) b. Find the probability that exactly 10 of the selected people have brown eyes. The...
Given a standardized normal distribution (with a mean of O and a standard deviation of 1),...
Given a standardized normal distribution (with a mean of O and a standard deviation of 1), complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table. a. What is the probability that Z is less than 1.05? The probability that Z is less than 1.05 is 8289 (Round to four decimal places as needed.) b. What is the probability...
A randomly selected value from a normal distribution is found to be 2.1 standard deviations above...
A randomly selected value from a normal distribution is found to be 2.1 standard deviations above its mean. What is the probability that a randomly selected value from the distribution will be less than 2.1 standard deviations from the mean? 0.9976 0.9821 0.9712 0.9488
1) What is the probability of a randomly selected value from a normally distributed population falling...
1) What is the probability of a randomly selected value from a normally distributed population falling within 1.5 standard deviations of the mean? 8) What is the probability of a randomly selected value from a normally distributed population NOT being between 0.68 standard deviations below the mean and 1.5 standard deviations above the mean? ***For the following questions, assume a business has an average daily revenue of $1200 and revenue levels are found to be normally distributed with a standard...
Use the given categorical data to construct the relative frequency distribution. Natural births randomly selected from...
Use the given categorical data to construct the relative frequency distribution. Natural births randomly selected from four hospitals in a highly populated region occurred on the days of the week (in the order of Monday through Sunday) with the frequencies 52, 64, 72, 55, 58, 44, 55. 2 Does it appear that such births occur on the days of the week with equal frequency? Construct the relative frequency distribution. Day Relative Frequency Monday % Tuesday % Wednesday % Thursday %...
Given that the data below was randomly selected from a lognormal
distribution. What is the probability of the average of 39 randomly
selected items being greater than 22.1? The data below is the
complete SAMPLED data set. WE TOOK A SAMPLE FROM THE TOTAL
POPULATION. YOU DO NOT GET ANY MORE DATA POINTS. IF YOU DON'T KNOW
HOW TO SOLVE THIS, MOVE ON.
The question screen shot and answer is below. (Answer is
0.9755422) Please show how to arrive at...
Find the probability that a z-score randomly selected from the normal distribution meets the given condition. The Z-score is between -1.5 and 2.5. In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities More than a decade ago, high levels of lead in the blood put 80% of children at risk. A concerted effort was made to remove lead from the environment. Now,...
In a region, there is a 0.8 probability chance that a randomly selected person of the population has brown eyes. Assume 11 people are randomly selected. Complete parts (a) through (d) below. a. Find the probability that all of the selected people have brown eyes. The probability that all of the 11 selected people have brown eyes is (Round to three decimal places as needed.) b. Find the probability that exactly 10 of the selected people have brown eyes. The...
Given a standardized normal distribution (with a mean of O and a standard deviation of 1), complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table. a. What is the probability that Z is less than 1.05? The probability that Z is less than 1.05 is 8289 (Round to four decimal places as needed.) b. What is the probability...
Use the given categorical data to construct the relative frequency distribution. Natural births randomly selected from four hospitals in a highly populated region occurred on the days of the week (in the order of Monday through Sunday) with the frequencies 52, 64, 72, 55, 58, 44, 55. 2 Does it appear that such births occur on the days of the week with equal frequency? Construct the relative frequency distribution. Day Relative Frequency Monday % Tuesday % Wednesday % Thursday %...
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