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ollegr [7]
3 years ago
14

A code consist of a two digit number chosen from 00 to 49 followed by a letter of the alphabet. What is the probability the code

is 14z?
Mathematics
1 answer:
levacccp [35]3 years ago
4 0

Answer:

<em>The probability that code is 14z will be \frac{1}{1300}</em>

Step-by-step explanation:

From 00 to 49, there are total 50 two-digit numbers.

The total number of alphabets is 26.

So, the probability of choosing 14 from all 50 two digit numbers will be:  \frac{1}{50}

and the probability of choosing 'z' from all 26 alphabets will be: \frac{1}{26}

Thus, the probability that code is 14z is = \frac{1}{50}\times \frac{1}{26}=\frac{1}{1300}

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3 years ago
What is the sum of an 8-term geometric series if the first term is −11, the last term is 859,375, and the common ratio is −5? −1
LekaFEV [45]

Answer:

The sum of geometric series is 716144

Step-by-step explanation:

Given

First term=a_1= -11

Last term=a_8=859375

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We know that the formula for sum of geometric series is:

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=  (-11(1-390625))/6

=(-11(-390624)))/6

=4296864/6

=716144

So the sum of geometric series is: 716144  ..

4 0
3 years ago
A spinner is divided into 4 equal sections the probability of landing on A is 1/4 Norma spins the spinner 16 times how many time
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