Grade 11 and 12 Mathematics (Moderator: geoffrey)

In a sample of 47 adults selected randomly from one town, it is found that 9 of them have been ...

Started by luvbio

In a sample of 88 children selected randomly from one town, it is found that 8 of them suffer from ...

Started by maychende

A random sample of 139 forty-year-old men contains 26 smokers. Find the P-value for a test of the ...

Started by iveyjurea

A hair salon claims that 90 of their customers are satisfied. However, Toni who recently started ...

Started by Redwolflake15

The mean salary of the female employees of one company is 29,525. The mean salary of the male ...

Started by casperchen82

The typical amount of error in predicting from the linear regression line is represented by the . ...

Started by fasfsadfdsfa

What is the probability of randomly selecting a person who died from liver disease? A) 0.01541 B) ...

Started by james0929

Jeanne is currently taking college economics. The instructor often gives quizzes. On the past five ...

Started by jhjkgdfhk

The number of oil spills occurring off the Alaskan coast in a randomly selected year A) ...

Started by burchfield96

13 wrestlers compete in a competition. If each wrestler wrestles one match with each other wrestler, ...

Started by K@

Various temperature measurements are recorded at different times for a particular city. The mean of ...

Started by anjilletteb

The pH level in a shampoo A) Discrete B) Continuous ...

Started by crobinson2013

How many different 5-digit sequences can be formed using the digits 0, 1,...,8 if repetition of ...

Started by Yi-Chen

The health of employees is monitored by periodically weighing them in. A sample of 54 employees ...

Started by deesands

The number of phone calls between New York and California on Thanksgiving day A) Continuous B) ...

Started by Jipu 123

A random sample of 100 pumpkins is obtained and the mean circumference is found to be 40.5 cm. ...

Started by kellyjaisingh

License plates are made using 3 letters followed by 3 digits. How many plates can be made if ...

Started by karateprodigy

A test of sobriety involves measuring the subject's motor skills. Twenty randomly selected sober ...

Started by kwoodring

Merta reports that 74 of its trains are on time. A check of 60 randomly selected trains shows that ...

Started by hbsimmons88

The braking time of a car A) Discrete B) Continuous ...

Started by wrbasek0

Multiple regression . a. predicts two or more Y variables from a single X variable b. uses two ...

Started by luvbio

Nonparametric tests also are referred to as free tests. a. distribution b. measurement c. ...

Started by jenna1

How many different sequences of 4 digits are possible if the first digit must be 3, 4, or 5 and if ...

Started by javeds

A public bus company official claims that the mean waiting time for bus number 14 during peak hours ...

Started by mcmcdaniel

A baseball player has a batting average of 0.346, so the probability of a hit is 0.346. Assume that ...

Started by panfilo