Suppose we obtained data on vein size after application of

Assignment Help Basic Statistics
Reference no: EM13613635

Suppose we obtained data on vein size after application of a nitroglycerin ointment in a sample of 50 patients. The mean vein size is found to be 7.8mm with an SD of 2.1. Using a t distribution table, what are the confidence limits for a 95% confidence interval? For a 99% confidence interval?

Reference no: EM13613635

Questions Cloud

Suppose that you are trying to estimate average iq and its : suppose that you are trying to estimate average iq and its standard deviation. you know that iqs are distributed
How is the t-test for correlated groups and the t-test for : how is the t-test for correlated groups and the t-test for single samples similar and
Let x1 and x2 be observations of a random sample size of n2 : let x1 and x2 be observations of a random sample size of n2 from a distribution with p.m.f. fx x6 x123. then find the
In the past the standard deviation of weights of certain : in the past the standard deviation of weights of certain 32.0-oz packages filled by a machine was 0.25 oz. a random
Suppose we obtained data on vein size after application of : suppose we obtained data on vein size after application of a nitroglycerin ointment in a sample of 50 patients. the
A division within a transportation company is responsible : a division within a transportation company is responsible for performing maintenance on the fleet of trucks used by the
Assuming this to be a simple random sample of us adults : in a survey of 500 u.s. adults 45 of them said that lounging at the beach was their dream vacation assuming this to be
The average age of amtrak passenger train cars is 194 years : the average age of amtrak passenger train cars is 19.4 years. if the distribution of ages is normal and 24 of the cars
A homogenous transition probability matrix is given below : a homogenous transition probability matrix is given below. find the steady state probabilities of state.states 1

Reviews

Write a Review

Basic Statistics Questions & Answers

  Estimate the expected value

One state lottery has 1000 prizes of $1, 200 prizes of $5, 50 prizes of $25, 15 prizes of $150, 4 prizes of $500, and 1 prize of $2500.  What is the lottery expected profit per ticket?

  Let x1 x2 x3nbspbe three independent random variables with

let x1 x2 x3nbspbe three independent random variables with binomial distributionsb4 12 b6 13 b12

  The rate of return for na investment can be described by a

the rate of return for na investment can be described by a normal distribution with mean 47 and standard deviation 3.

  Find probability that professor requires more than 6 hours

Distributed with mean 4.6 minutes and standard deviation 1.4 minutes. If there are 75 students in class, determine probability the professor requires more than 6 hours to mark all of the midterms?

  What is the variance in the time between calls what is the

the density function of the time z in minutes between calls to an electrical supply store is given byfz 110e-z

  Find that mean weight produced by machine has increased

This sample has a mean weight of 5.03 Kg and a standard deviation of 0.21 Kg. Can we calculate that the mean weight produced by the machine has increased? Use 5% level of significance.

  Determining probability that employee smokes

If employee is chosen at random, determine these probabilities.The Employee smokes, The employees smokes, given that he/she graduated from college.

  Find the probability that thirty customers paid by credit

What is the probability that 30 or more paid by credit? d. What is the probability that less than 12 paid by credit? e. What is the probability that 12 to 30 paid by credit?

  Possible outcomed of a quality control engineer experiment

A quality control engineer selects a part to be tested. The part is then declared acceptable, repairable, or scrapped. Then another part is tested. List all the possible outcomed of this experiment.

  The volumes of soda in quart soda bottles are normally

the volumes of soda in quart soda bottles are normally distributed with a mean of 32 oz. and a standard deviation of

  Find probability will hold the winning ticket

If the people on your floor of the dorm bought 200 of those tickets, what is the probability that someone on your floor will hold the winning ticket?

  Probability that person is either a lifeguard or a manager

Selecting a Staff Person: At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks, and 2 maintenance people. If a person is selected at random, find the probability that the person is either a lifeguard or a mana..

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