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there are 80 friuts,2/8 are bananas

how many are not bananas?
how many are bananas?
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what is product of 6 2/3 x 9/40
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hardnesss of bore well water is less than sea water. justify.
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what is product of 9/10x6/18x5/14
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(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.

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(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
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(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.
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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}
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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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