[Answered] Let the random variable Z follow a standard normal distribution. The total probability to the right ...

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

Author Question: Let the random variable Z follow a standard normal distribution. The total probability to the right ... (Read 54 times)

pepyto

Hero Member
Posts: 547

on: Jun 24, 2018

Let the random variable Z follow a standard normal distribution. The total probability to the right of Z = 2.18 and to the left of Z = -1.75 is:

A) 0.4854
B) 0.4599
C) 0.0146
D) 0.0547

Question 2

The width of a confidence interval is equal to twice the margin of error.

Indicate whether the statement is true or false

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

b614102004

Sr. Member
Posts: 320

Reply #1 on: Jun 24, 2018

Answer to Question 1

D

Answer to Question 2

TRUE

pepyto

Member
Posts: 547

Reply 2 on: Jun 24, 2018

Excellent

kilada

Member
Posts: 311

Reply 3 on: Yesterday

Great answer, keep it coming

« previous next »

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.