Sat 1 Sep, 2018 07:57 pm - A supermarket claims that 90% of all the strawberries it sells are regular.
One of the customers collects a random sample of 51 strawberries after buying two large packets and found that there... (view)
Tue 28 Aug, 2018 06:04 am - A new TV lottery game consists of the random selection, with replacement, of 3 marbles from a barrel. The 3
marbles are drawn from a group of 8 identical marbles except for colour. 3 of the... (view)
Mon 27 Aug, 2018 06:45 am - Find the probability that atleast 85% of the strawberries are regular. 85% of 51 is 43.35, rounded up to 44
so n = 51, but is p = 90% or 47/51? (view)
Mon 27 Aug, 2018 04:51 am - Thanks
A supermarket claims that 90% of the strawberries it sells are regular. One of the customers found that there are 47 regular strawberries in his sample of 51 strawberries
Would the mean be... (view)
Sun 26 Aug, 2018 06:11 am - The weight of a packaged orange cake is normally distributed with a mean of 500 g. If the packaged orange cake is more than 5 grams underweight, it is not acceptable. It has been found that 4% of... (view)
Tue 21 Aug, 2018 07:19 am - Thanks
Got a other question
What is the minimum number of times a fair coin must be tossed so that the probability of obtaining a tail on each toss is less than 0.0005
How would the above... (view)
Tue 21 Aug, 2018 07:03 am - But it only specifies that he rides 60% of the time, it never states that the proability he rides for one day is 60%? (view)