« previous next »

Author Question: A die is rolled 4 times and the number of times that two shows on the upper face is counted. If this ... (Read 118 times)

amal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 25, 2018
A die is rolled 4 times and the number of times that two shows on the upper face is counted. If this experiment is repeated many times, find the mean for the random variable X, the number of twos.
 
  A) 1.33 B) 1 C) 0.67 D) 3.33

Question 2

Exam Scores: The exam scores, rounded to the nearest whole number, of all students in a given math course.
 
  A) Single-value grouping B) Cutpoint grouping
  C) None of these D) Limit grouping


ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 25, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

amal

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Jul 25, 2018
Thank you!


ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 25, 2018
Always glad to help...


« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Macro of a Butterfly face Macro of a Butterfly face
Martian geological features, such as the "Face on Mars", sometimes trigger facial pareidol Martian geological features, such as the "Face on Mars", sometimes trigger facial pareidol
Father’s Age and the Number of de novo Mutations Father’s Age and the Number of de novo Mutations
This illustration shows the decibel level in various locations and associated with different ... This illustration shows the decibel level in various locations and associated with different ...
This frame from a home video shows Eric Harris (on the left) and Dylan Klebold (on the right) as ... This frame from a home video shows Eric Harris (on the left) and Dylan Klebold (on the right) as ...
Upper Airflow and Weather Forecasting Upper Airflow and Weather Forecasting
Video: Cell mediated immune response to a viral infection Animation

For a complete list of videos, visit our video library