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

Author Question: Assume that x is a normally distributed random variable with a mean of 70 and a standard deviation ... (Read 82 times)

geodog55

  • Hero Member
  • *****
  • Posts: 530
on: Jul 24, 2018
Assume that x is a normally distributed random variable with a mean of 70 and a standard deviation of 10 Find P(x < 48).

Question 2

Assume that x is a normally distributed random variable with a mean of 70 and a standard deviation of 10 Find P(48 < x < 88).


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

princessflame2016

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 24, 2018
Answer to Question 1

P(x < 48) = P(z < -2.20) = 0.5000  0.4861 = 0.0139

Answer to Question 2

P(48 < x < 88) = P(-2.20 < z < 1.80) = 0.4861 + 0.4641 = 0.9502


geodog55

  • Member
  • Posts: 530
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Controlled Experiments Manipulate a Variable Controlled Experiments Manipulate a Variable
The Hanuman langur, a widely distributed Asian colobine. The Hanuman langur, a widely distributed Asian colobine.
ROM exercises on a patient’s wrist: ulnar deviation. ROM exercises on a patient’s wrist: ulnar deviation.
How to solve a linear system when the variable is in the denominator position (Question 2 of 2) How to solve a linear system when the variable is in the denominator position (Question 2 of 2)
How to quickly determine the maximum or minimum value of a quadratic equation in standard form How to quickly determine the maximum or minimum value of a quadratic equation in standard form
Separation of variable number tandem repeat (VNTR) alleles after PCR amplification Separation of variable number tandem repeat (VNTR) alleles after PCR amplification
Video: Tuberculosis Testing

For a complete list of videos, visit our video library