Question

A flashlight has 10 batteries, 4 of which are defective. If 4 are selected at random without replacement, find the probability that all of them are defective. Enter your answer as a fraction or a decimal rounded to 3 decimal places. The probability of getting all of them defective batteries is

          A flashlight has 10 batteries, 4 of which are defective. If 4 are selected at random without replacement, find the probability that all of them are defective.

Enter your answer as a fraction or a decimal rounded to 3 decimal places.

The probability of getting all of them defective batteries is

$A flashlight has 10 batteries, 4 of which are defective. If 4 are selected at random without replacement, find the probability that all of them are defective. Enter your answer as a fraction or a decimal rounded to 3 decimal places. The probability of getting all of them defective batteries is$

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Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Narendra Kumar

02/22/2022

Step 1

This can be calculated using the combination formula: C(n, r) = n! / (r!(n-r)!), where n is the total number of items and r is the number of items to be selected. In this case, n = 10 and r = 4. C(10, 4) = 10! / (4!(10-4)!) = 10! / (4!6!) = (10*9*8*7) / (4*3*2*1) Show more…

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A flashlight has 10 batteries, 4 of which are defective. If 4 are selected at random without replacement, find the probability that all of them are defective. Enter your answer as a fraction or a decimal rounded to 3 decimal places. The probability of getting all of them defective batteries is