gavianacandelar9561 gavianacandelar9561

23-12-2022
Mathematics

Answered

The averages wait time to see an E.R. doctor is said to be 150 minutes. You think the wait time
is actually less. You take a random sample of 30 people and find their average wait is 148
minutes with a standard deviation of 5 minutes. Assume the distribution is normal.
Using a significance level of 0.05 and p test, what would you recommend to the winery? Write
down the hypothesis and show all steps for testing the hypothesis.

Answer :

Other Questions

A mining company wants to test a claim concerning the mean weight of their silver nuggets. They are testing the null hypothesis that the true mean is 3 ounces a

Find the sample mean, variance, and standard deviation. (For standard deviation, round your answer to two decimal places.) −8, −4, −3, 0, 1, 2 sample mean: samp

Given the following data sample, how confident can we be that the mean is greater than 40? 64 70 20 58 13 74 84 47 17 2. You are given the following sample of a

Assume the random variable X is normally distributed with mean μ = 50 and standard deviation σ= 7, Compute the probability. Be sure to draw a normal curve with

a doctor collects a large set of heart rate measurements that approximately follow a normal distribution. he only reports statistics, the mean is beats per minu

create an equation to describe the relationship between the rise in temperature (y) and he change in time ( x) for the period from 6 to 24 minutes math connecti

he time in minutes) between arrivals of customers to a post office is to be modelled by the Exponential distribution with mean 0.59. Please give your answers to

the sampling distribution of the sample mean is close to normal distribution a. only if the parent population is unimodal, not badly skewed, and does not have o

When conducting a hypothesis test for a given sample size, if the probability of a Type I error decreases, then the _____________. a. probability of incorrectly

In the next two problems, you will specify the asymptotic distribution of vn (Ô — O) and of Vn (û – u). · 1. What type of distribution does vn (ê – ) converge i