(Answered) Question the average waiting time in a doctors office

Statistics

Question: The average waiting time in a doctor's office varies. The standard deviation of waiting times in a doctor's office is 3.4 minutes. A random sample of 30 patients in the doctor's office has a standard deviation of waiting times of 4.1 minutes. One doctor believes the variance of waiting times is greater than originally thought.

1.What type of test should be used?

2. What is the test statistic?

3. What is the p-value?

4. What can you conclude at the 5% significance level

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92476505
Price:- $15

Verified Expert

Priced at $30 Now at $15, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Heightnbspinnbspinchesnbsp69nbsp67nbsp69nbsp71nbsp70nbsp72nb

Height in inches 69 67 69 71 70 72 Weight in lbs 164 161 189 192 184 198 a) Find the equation of the regression line with height as the explanatory variable and use the regression line to find the predicted ...

Let x be a random variable with range rx -1 0 1 and let px

Let X be a random variable with range RX = {-1, 0, 1} and let P(X = 1) = P(X = -1) = p/2 for some p ∈ [0, 1]. a) Compute P(X = 0). b) Compute the expectation E[X] and variance Var(X) of X as a function of p, and determin ...

Assume that the coin is weighted so that a tail is 6 times

Assume that the coin is weighted so that a tail is 6 times as likely as a head. The coin is flipped 9 times. 1) What is the probability that both heads and tails occur?

You are lost on the mythy island in the summer when

You are lost on the Mythy Island in the summer, when tourists are two-thirds of the population. If you ask a tourist for direction the answer is correct with probability ¾; answers to repeated questions are independent e ...

You have graduated from college but unfortunately have

You have graduated from college but unfortunately have $33,000 in outstanding loans. The loans require monthly payments of $3,700, which covers interest and principal repayment (that is, the loan has the same basic featu ...

A recent survey of college seniors evaluated how the

A recent survey of college seniors evaluated how the students view the "real world" that they are about to enter. One question asked the seniors to evaluate the future job market on a 10-point scale from 1 (dismal) to 10 ...

A professor records the following final exam scores 68 6 m

A professor records the following final exam scores: 68 6 (M SD). Students scoring in the top 18% get an A. What is the cutoff score for the top 18% in this example?

During the period from 2011 through 2015 the annual returns

During the period from 2011 through 2015 the annual returns on small U.S. stocks were -3.34 percent, 19.21 percent, 46.95 percent, 2.91 percent, and -4.10 percent, respectively. What would a $1 investment, made at the be ...

Felcor stock is currently selling for 4000 a share but is

Felcor stock is currently selling for $40.00 a share but is expected to either decrease to $36 or increase to $44 a share over the next year. The risk-free rate is 4 percent. What is the current value of a 1-year call op ...

Average sales for an online textbook distributor were 7467

Average sales for an online textbook distributor were $74.67 per customer per purchase. Assume the sales are normally distributed. If the standard deviation of the amount spent on a textbooks is $9.49, find these probabi ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert