SOLUTION: I need help with these problems:
Problem #1
A die is tossed 120 times. Find the probability of getting the following result.
Fewer than twenty-two 6's
Problem #2
A com
Algebra.Com
Question 87983: I need help with these problems:
Problem #1
A die is tossed 120 times. Find the probability of getting the following result.
Fewer than twenty-two 6's
Problem #2
A company is taking a survey to find out whether people like its product. Their last survey indicated that 70% of the population like the product. Based on that, of a sample of 58 people, find the probability of the following.
a) All 58 like the product
b)From 28 to 30 (inclusive) like the product.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Problem #1
A die is tossed 120 times. Find the probability of getting the following result.
Fewer than twenty-two 6's
Answer: binomcdf(120,1/6,21) = 0.652..
-----------------------------------------------
Problem #2
A company is taking a survey to find out whether people like its product. Their last survey indicated that 70% of the population like the product. Based on that, of a sample of 58 people, find the probability of the following.
a) All 58 like the product
Answer: 0.7^58 = 1.03678 x 10^-9
---------------------------------
b)From 28 to 30 (inclusive) like the product.
Answer: binomcdf(58,0.7,30) - binomcdf(58,0.7,27) = 0.002438...
===============
Cheers,
Stan H.
RELATED QUESTIONS
A die is tossed 12 times. What is the probability of getting exactly three... (answered by stanbon,jim_thompson5910)
I need help understaning how to solve these types of problems...can someone show me... (answered by longjonsilver,Edwin McCravy)
a die is tossed thrice find the probability of getting an odd number at least... (answered by Fombitz)
A coin is tossed and then a die is rolled. Find the probability of getting a 5 on the... (answered by nerdybill)
A coin is tossed 5 times. Find the probability of getting 4 heads and 1... (answered by Boreal,ikleyn)
An unbiased die is tossed three times. Find the probability of getting
a. Three 6’s... (answered by Edwin McCravy)
A die is tossed twice. Find the probability of getting a 3 or 4 on the first
toss and a... (answered by ikleyn)
If a die is tossed twice the probability of getting 3 on both tosses... (answered by Fombitz,solver91311)
If a die is tossed once, what is the probability of getting numbers divisible by 2 (answered by Cromlix)