Mathematics, 01.10.2019 02:30 jjau834
Asecret code for a bank vault consists of 2 letters, then 4 digits and then 3 more letters. how many different codes are possible? how many codes are possible if repeating letters and digits is not allowed? how many codes are possible if repeats are not allowed and the first letter must be 'x' and the first digit must be '4'? if the wrong code is entered the vault automatically locks and the alarm sounds. suppose repeating letters and digits are allowed in the code. what is ther probability of a thief breaking into the vault if the thief has no prior knowledge of the secret code?
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Mathematics, 21.06.2019 17:30
Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?
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Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.
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Asecret code for a bank vault consists of 2 letters, then 4 digits and then 3 more letters. how many...
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