This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Suppose students' ages follow a skewed right distribution with a mean of 24 years old and a standard ... (Read 111 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jun 24, 2018
Suppose students' ages follow a skewed right distribution with a mean of 24 years old and a standard deviation of 5 years. If we randomly sample 350 students, which of the following statements about the sampling distribution of the sample mean age is incorrect?
 
  A) The mean of the sampling distribution is approximately 24 years old.
  B) The shape of the sampling distribution is approximately normal.
  C) The standard deviation of the sampling distribution is equal to 5 years.
  D) All of the above statements are correct.

Question 2

Transportation officials tell us that 60 of drivers wear seat belts while driving. Find the probability that more than 409 drivers in a sample of 650 drivers wear seat belts.
 
  A) 0.0594 B) 0.6 C) 0.9406 D) 0.4


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dpost18

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

A


haleyc112

  • Member
  • Posts: 600
Reply 2 on: Jun 24, 2018
:D TYSM

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

The small-scale distribution of different tree species in a Douglas-fir forest is determined by both The small-scale distribution of different tree species in a Douglas-fir forest is determined by both
Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen. Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen.
Geographic distribution of early hominins. Geographic distribution of early hominins.
Distribution of Neandertal sites in Europe and western Asia. Distribution of Neandertal sites in Europe and western Asia.
The typical distribution of neurofibrillary tangles and amyloid plaques in the brains of patients ... The typical distribution of neurofibrillary tangles and amyloid plaques in the brains of patients ...
. In which distribution is the mean more “typical” of all scores? . In which distribution is the mean more “typical” of all scores?
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library