[Answered] Find the area under the standard normal curve between -1.48 and the ...

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

Author Question: Find the area under the standard normal curve between -1.48 and the ... (Read 36 times)

biggirl4568

Hero Member
Posts: 551

on: Jul 24, 2018

Find the area under the standard normal curve between -1.48 and the mean.

Question 2

Explain why nonempty, mutually exclusive events A and B must be dependent.

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

alvinum

Sr. Member
Posts: 317

Reply #1 on: Jul 24, 2018

Answer to Question 1

P(-1.78 < z< 0.0) = 0.4306

Answer to Question 2

If A and B are independent, P(A and B) = P(A) P(B) Since A and B are mutually exclusive, P(A and B) = 0 . Thus, 0 = P(A) P(B). This is impossible since P(A)0 and P(B)0 . Therefore, A and B are dependent.

biggirl4568

Member
Posts: 551

Reply 2 on: Jul 24, 2018

Excellent

tandmlomax84

Member
Posts: 323

Reply 3 on: Yesterday

Wow, this really help

« previous next »

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.