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baherus [9]
3 years ago
10

A thief steals an ATM card and must randomly guess the correct five digit pin code from a 8 key keypad. Repetition is allowed. W

hat is the probability of a correct guess on the first try?A. Number of possible codes?B. The Probability that the correct code is given on the first try?
Mathematics
1 answer:
KengaRu [80]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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why is my teacher like this she calls on me i was answering and she said well thats is wrong i am emailing your parent later tod
Natali [406]

Answer:

bestie get out of there :)

Step-by-step explanation:

8 0
3 years ago
It is known that 10% of the calculators shipped from a particular factory are defective. In a random sample of ten calculators,
umka2103 [35]

Answer:

0.7361

Step-by-step explanation:

In this question we have

number to be 10

Then we have a probability of 10% = 0.10

We have q = 1-p

= 1-0.10 = 0.90

Then the probability of not more than 1 being defective:

P(x=0) + p(x= 1)

(10C0 x 0.1⁰ x 0.9^10-0)+(10C1 x 0.1¹ x 0.9^10-1)

= 1 x1 x0.3487 + 10 x 0.1 x 0.3874

= 0.3487 + 0.3874

= 0.7361

This is the the required probability and this answers the question.

probability = 10 percent = 0.1

q= 1- 10percent = 90% = 0.9

n = 4

To get the required probabiltiy for this question is

P(not greater than one is defective )=P(x=0)+P(x=1)

= 4C0x(0.1)⁰x(0.9)⁴+4C1x(0.1)¹x(0.9)³

= 0.9477

The required probability is 0.9477

5 0
3 years ago
What is the value of the slope of the graph of distance versus time, and what does the slope represent?
Phantasy [73]
To find the slope of the graph you pick any piece of the line, and divide the vertical difference between its ends by the horizontal difference between its ends. If the graph is distance versus time then the slope represents the speed.
7 0
3 years ago
mrs chambers is 62 years old and plans to retire. over her life she earned an average of $2,500 per month after adjusting for in
antiseptic1488 [7]

Answer: 60

Step-by-step explanation:

4 0
2 years ago
How could you find a slope of a graph ?
SIZIF [17.4K]

Choose whatever 2 points you want and you will always get the same slope. Calculate the rise and run.

Hoped this helped :)

3 0
3 years ago
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