This topic contains a solution. Click here to go to the answer

Author Question: A random sample of 100 students at a high school was asked whether they would ask their father or ... (Read 82 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem.
 
  Forty-three students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help. Construct a 98 confidence interval for p1 - p2. A) (-0.204, 0.124 ) B) (-1.324, 1.521 ) C) (-0.591, 0.762 ) D) (-1.113, 1.311 )

Question 2

The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 5 tickets per day.
 
  Find the probability that exactly eight tickets are written on a randomly selected day from this distribution. A) 0.065278 B) 0.005476 C) 0.003250 D) 0.000273



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nicoleclaire22

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

A

Answer to Question 2

A





 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

For a complete list of videos, visit our video library