« previous next »

Author Question: Which is not an example of a discrete random variable? 1.number of books in a backpack 2.number of ... (Read 24 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jul 24, 2018
Which is not an example of a discrete random variable?
  1.number of books in a backpack
  2.number of students in a classroom
  3.number of miles driven to your home from school
  4.number of bottles of water in your refrigerator

Question 2

A gasoline tank for a certain car is designed to hold 19 gallons of gas. Suppose that the random variable x = actual capacity of a randomly selected tank has a distribution that is well approximated by a normal curve with mean 19.0 gallons and standard deviation 0.2 gallon. What is the probability that a randomly selected tank will hold at least 18.9 gallons?
   
  1.0.19
  2.0.69
  3.1
  4.0.31
  5.0.81


ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #1 on: Jul 24, 2018
Answer to Question 1

3

Answer to Question 2

2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic
Changes in chromosome number Changes in chromosome number
The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ... The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ...
Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers. Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers.
Directions: Fill in the correct number or word(s). Order: Lantus U-100 insulin 68 units subcut ... Directions: Fill in the correct number or word(s). Order: Lantus U-100 insulin 68 units subcut ...
Number line (real numbers) Number line (real numbers)
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library