The z value for a 97.8 confidence interval estimation is ____

Author Question: The z value for a 97.8 confidence interval estimation is _____. a. 2.02 b. 1.96 c. 2.00 d. ... (Read 102 times)

sam.t96

Hero Member
Posts: 570

on: Jun 24, 2018

The z value for a 97.8 confidence interval estimation is _____.
a. 2.02
b. 1.96
c. 2.00
d. 2.29

Question 2

The travel time for a college student traveling between her home and her college is uniformly distributed between 40 and 90 minutes. The probability that her trip will take longer than 60 minutes is _____.
a. 1
b. .40
c. .02
d. .60

Anton

Sr. Member
Posts: 302

Reply #1 on: Jun 24, 2018

Answer to Question 1

d

Answer to Question 2

d

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.