Find the probability that the study participant is between

Assignment Help Basic Statistics
Reference no: EM13637263

1. A survey was conducted to measure the height of men. In the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distrivuted with a mean of 67.6 inches and a standard deviation of 4.0 inches. A study participant is randomly selected,

Find the probability that the study participant is between 65 and 70 inches tall. (Round to four decimal places)

2. In a recent year, scores on a standardized test for high school students with a 3.50 to 4.00 gpa were normally distributed, with a mean of 37.9 and a standard deviation of 2.1. A student with a 3.50 to 4.00 gpa who took the test is randomly selected.

The probability of a student scoring between 35.1 and 40.7 is? (Round to four decimal places.)

Reference no: EM13637263

Questions Cloud

In a recent year scores on a standardized test for : 1. in a recent year scores on a standardized test for highschool students with a 3.50 to 4.00 gpa were normally
A study found that 35 of the assisted reproductive : 1. a study found that 35 of the assisted reproductive technology art cycles resulted in pregnancies. twnety-five
The total cholesterol levels of a sample of men aged 35-44 : 1. the total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 206 milligrams
What would be the highest level of measurement to describe : what would be the highest level of measurement to describe the names of a companys new products? ratio interval ordinal
Find the probability that the study participant is between : 1. a survey was conducted to measure the height of men. in the survey respondents were grouped by age. in the 20-29 age
A survey was conducted to measure the height of men in the : 1. a survey was conducted to measure the height of men. in the survey respondents were grouped by age. in the 20-29 age
Perform a hypothesis test using the six-step method show : a new method of teaching reading to elementary students is being compared to the current standard method. eight pairs
Perform a hypothesis test using the six-step critical value : researchers conducted a survey of parents of 66 kindergarten children. the parents were asked whether they played games
For the standard normal distribution find the probability : 1. the area between z 0 and z 0.8 under the standard normal curve is?round to four decimal places2. for the standard

Reviews

Write a Review

Basic Statistics Questions & Answers

  A student wanted to construct a 95 confidence interval for

a student wanted to construct a 95 confidence interval for the average age of students in her statistics class. she

  Compute probability of fatal accident over a lifetime

What is the probability of a fatal accident over a lifetime? Explain your reasoning carefully. Hint: Assume independent events. Why might the assumption of independence be violated?

  The theorem that states that the sampling distribution of

the theorem that states that the sampling distribution of the sample mean is approximetly normal when the sample size n

  The economic policy institute periodically issues reports

the economic policy institute periodically issues reports on wages of entry level workers. the institute reported that

  Computing and interpreting margin of error

The margin of error for polling results is typically determined as the half-width of a 95% confidence interval. With respect to a particular ballot proposition

  Hypothesis testing-paired t test of auto insurance

The president of the American Insurance Institute wants to compare the yearly costs of auto insurance offered by two leading companies.

  Difference in frequency distribution-relative frequency

From a practical point of view, what is the difference between the frequency distribution and relative frequency distribution? Why is a cumulative relative frequency distribution so much more informative that just the relative frequency distributi..

  Association between mortality from cirrhosis

Perform a significance test to assess whether there is an association between mortality from cirrhosis of the liver and duration of employment in the group hired after 1945. Report a p- value.

  Computing a confidence interval for the mean

Assume that the standard deviation of college student IQ's is 10. A random sample of 100 students from a college showed an average IQ of 110. Compute a 95% confidence interval for the mean IQ of students attending this college.

  Information on significant difference

In order to test to see if there is any significant difference in the mean number of units produced per week by each of three production methods, the following data were collected:

  Interval estimate around sample mean by standard deviation

Find the standard error of the mean Also establish an interval estimate around the sample mean using one standard deviation of the mean.

  Probability that sample of steady smokers spend in a range

Assume a steady smoker spends on average $20 with a standard deviation of $5 per week on cigarettes. What is the probability that a sample of 100 steady smokers spend between $19.50 and $21?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd