A cornell university researcher measured the mouth volumes, Ask an Expert

Statistics

A Cornell University researcher measured the mouth volumes of 31 men and 30 women. She found a mean of 66 cc for men (SD = 17 cc) and a mean of 54 cc for women (SD = 14.5 cc). The man with the largest mouth had a mouth volume of 111.2 cc. The woman with the largest mouth had a mouth volume of 95.8 cc.

a) Which had the more extraordinarily large mouth?

b) If the distribution of mouth volumes is nearly Normal, what percentage of men and of women should have even larger mouths than these?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92204354

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Research scenario a community psychologist is interested in

Research Scenario: A community psychologist is interested in whether people's self-reported degree of religious belief predicts their self-reported feelings of well-being. She administers two questionnaires to 17 individ ...

An fbi survey shows that about 70 of all property crimes go

An FBI survey shows that about 70% of all property crimes go unsolved. Suppose that in your town 10 such crimes are committed and they are each deemed independent of each other. What is the expected number of crimes that ...

Yixuan is building a tower out of lego pieces for the

Yixuan is building a tower out of Lego pieces. For the bottom layer of the tower, he has 12 large Lego blocks to choose from. Each of these large blocks is a different color and he has decided to use 5 of them for the bo ...

1 suppose that in the game of afl the mean total number of

1. Suppose that in the game of AFL the mean total number of points per match is 185 with a standard deviation of 33. Suppose that a season involves 202 matches. If the total points are normally distributed then answer th ...

Acme airlines flies airplanes that seat 20 passengers from

Acme Airlines flies airplanes that seat 20 passengers. From experience, they have learned that, on average, 85% of the passengers holding reservations for a particular flight actually show up for the flight. If they book ...

Hospital waiting room times are normally distributed with a

Hospital waiting room times are normally distributed with a mean of 38.12 minutes and a standard deviation of 8.63 minutes. What is the shortest wait time that would still be in the worst 20% of wait times?

A media rental store rented the following number of movie

A media rental store rented the following number of movie titles in each of these catagories: 160 horrors, 242 drama, 114 mystery, 308 romance, and 134 comedy. If a person selects a movie to rent, find the probability th ...

A logging truck sales representative will phone either one

A logging truck sales representative will phone either one or two potential buyers per day with probabilities of 0.25 and 0.75, respectively. Each contact will result in either no sale or a $75,000 sale with probabilitie ...

According to an article in the american heart associations

According to an article in the American Heart Association's publication Circulation, 24% of patients who had been hospitalized for an acute myocardial infarction, did not fill their cardiac medication by the seventh day ...

It has been a bad day for the stock market and you have

It has been a bad day for the stock market and you have heard that only 30% of all stocks gained value. Suppose you have a portfolio of 10 securities and assume a binomial distribution for the number of your stocks that ...

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