Explain about binomial experiment

Assignment Help Basic Statistics

Reference no: EM13132140

70% of smokers started smoking before the age of 18. Suppose 10 smokers are randomly selected and the number of smokers who started to smoke before the age of 18 is recorded.

a) explain why this is binomial experiment.

b) find the probability that exactly 7 of them started smoking before the age of 18.

c) find the probability that at least 7 of them started smoking before the age of 18.

d) find the probability that fewer than 4 of them started smoking before the age of 18.

e) find the probability that between 8 and 10 (inclusive) of them started smoking before the age of 18.

Reference no: EM13132140

Questions Cloud

What amount of loss on realization should be allocated : After all noncash assets are sold and all liabilities are paid, there is a cash balance of $130,000. What amount of loss on realization should be allocated to Soledad?

What is the approximate na+ ion concentration : What is the approximate Na+ ion concentration in a 0.75 M Na2CO3 solution? a. 0.375 M b. 0.75 M

Find initial moles of oh- : Strong base is dissolved in 615 mL of 0.400 M weak acid (Ka = 4.50 × 10-5) to make a buffer with a pH of 3.95. Assume that the volume remains constant when the base is added.

How much gain must the sa general partnership recognize : his basis in the building is $20,000. How much gain must the SA general partnership recognize on the transfer of these assets from Sue and Andrew?

Explain about binomial experiment : Suppose 10 smokers are randomly selected and the number of smokers who started to smoke before the age of 18 is recorded. a) explain why this is binomial experiment.

Accounting for a defined-benefit pension plan : In accounting for a defined-benefit pension plan a. an appropriate funding pattern must be established to ensure that enough monies will be available at retirement to meet the benefits promised.

What is the mole percent o2 in the mixture : A gaseous mixture of O2 and Kr has a density of 1.140 g/L at 415 torr and 300. K. What is the mole percent O2 in the mixture?

Gender inequality : Select an area of gender inequality in developing countries that concerns you. Use the readings or the lecture to start your thinking in this area. In one to two paragraphs

What is jd basis in his clampett inc stock : J.D. was allocated $10,000 of ordinary income from Clampett, Inc. and no separately stated items. What is J.D.'s basis in his Clampett, Inc. stock after all transactions in 2011?

User Account

All Pages