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there are 80 friuts,2/8 are bananas

how many are not bananas?
how many are bananas?
In Progress...
what is product of 6 2/3 x 9/40
In Progress...
hardnesss of bore well water is less than sea water. justify.
In Progress...
what is product of 9/10x6/18x5/14
In Progress...
(a) The probability that a man aged 60 will live to be 70 is 0.65. What is the probability that out of 10 men, now aged60 (i) exactly 9 will live to be 70 (ii) at most 9 will live to be 70, and (iii) at least 7 will live to be 70?

(b) In an examination taken by 500 candidates, the average and S.D of marks obtained are 40% and 10% respectively. Assuming normal distribution, find (i) how many have scored above 60%,(ii) how many will pass if 50% is fixed as the minimum marks for passing, (iii) how many will pass if 40% is fixed as the minimum marks for passing, and (iv) what should be the minimum percentage of marks for passing so that 350 candidates pass.

In Progress...
(a) One half percent of the population has a particular disease. A test is developed for the disease. The test gives a false positive 3% of the time and a false negative 2% of the time. (a). What is the probability that Joe (a random person) tests positive? (b). Joe just got the bad news that the test came back positive; what is the probability that Joe has the disease?

(b) Three cooks, A, B and C bake a special kind of cake, and with respective probabilities 0.02, 0.03, and 0.05 it fails to rise. In the restaurant where they work, A bake 50 percent of these cakes, B 30 percent and C 20 percent. What proportion of failures is caused by A
In Progress...
(a) A stamping machine produces ‘can tops’ whose diameters are normally distributed with a standard deviation of 0.02 inch. At what nominal mean diameter should the machine be set, so that no more than 9 % of the ‘can tops’ produced have diameters exceeding 3.5 inches?

(b) Let A and B be independent events with P (A) = 1/4 and P (A U B) = 2P (B) − P (A).
Find (a). P (B); (b).P (A|B); and (c). P (Bc|A).
In Progress...
1. (a) A player tosses 3 fair coins. He wins Rs.500 if 3 heads appear, Rs.300 if 2 heads appear, Rs.100 if 1 head occurs. On the other hand, he loses Rs.1500 if 3 tails occur. Find the expected gain of the player and variance.
In Progress...
The function f(x) = [x]^n - [x^n], for n > or = 2 ( where [a] denotes the greatest integer less than or equal to 'a'), is discontinuous at all points of:

1. all integers
2. all integers except 0 and 1
3. all integers except 0
4. all integers except 1

answer: (4)

{ Please give me a descriptive answer rather than just solution and thanks in advance}
In Progress...
i) Describe in detail (using pseudocode) the implementation of a priority queue based on a sorted
array. Show that your implementation achieves O(1) for operations min and removeMin, and O(n)
for insertions.
ii) Explain in a high-level way as well as in pseudo code how the removeMin operation works in
a min-heap.
iii). Explain in a high-­level way and also using pseudo-­code how to insert a key into a hash
table that uses linear probing for collisions. Assume the hash table is implemented using an array.
In Progress...
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