Mathematics
Mathematics, 20.07.2019 16:00, gabischmid4340

Suppose there is exactly one index k such that a[k] = x. what is the expected number of indices into a that we must pick before we find x and random-search terminates?

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Mathematics, 15.07.2019 10:00, ayoismeisalex
Suppose you roll two number cubes and pick a letter of the alphabet at random. find the probability you roll 2 even numbers and pick one of the vowels a, e, i, o or u. a. 1/6 b.1/104 c.7/104 d.5/104
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Mathematics, 27.07.2019 08:00, JamminJare
In a hat, you have index cards with the numbers 1 through 10 written on them. find how many of the 10 possible numbers you can pick match the described event, then drag and drop each of the numbers into the correct box to order the events from least likely to happen (1) to most likely to happen (8) when you pick one card at random. a. you pick a number greater than 0.  b. you pick an even number.   c. you pick a number that is at least 2.  d. you pick a number that is at most 0.   e. you pick a number divisible by 3.   f. you pick a number divisible by 5.   g. you pick a prime number.   h. you pick a number less than the greatest prime number among the numbers 1 through 10.
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Computers and Technology, 20.09.2019 17:20, aleshachrishon42
Aprime number is any integer greater than 1 that’s evenly divisible only by itself and 1. the sieve of eratosthenes is a method of finding prime numbers. it operates as follows: a) create a primitive-type boolean array with all elements initialized to true. array elements with prime indices will remain true. all other array elements will eventually be set to false. b) starting with array index 2, determine whether a given element is true. if so, loop through the remainder of the array and set to false every element whose index is a multiple of the index for the element with value true. then continue the process with the next element with value true. for array index 2, all elements beyond element 2 in the array that have indices which are multiples of 2 (indices 4, 6, 8, 10, etc.) will be set to false; for array index 3, all elements beyond element 3 in the array that have indices which are multiples of 3 (indices 6, 9, 12, 15, etc.) will be set to false; and so on. when this process completes, the array elements that are still true indicate that the index is a prime number. these indices can be displayed. write an application that uses an array of 1,000 elements to determine and display the prime numbers between 2 and 999. ignore array elements 0 and 1.
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