Claire collected river water for an experiment. She poured it into 8 jars. Each jar had the mixed number three and one half pint
1 answer:
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Answer:
0.3968 = 39.68% probability this shipment passes inspection.
Step-by-step explanation:
The parts are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.
Hypergeometric distribution:
The probability of x successes is given by the following formula:
In which:
x is the number of successes.
N is the size of the population.
n is the size of the sample.
k is the total number of desired outcomes.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
50 parts means that
4 defective means that
10 are chosen, which means that
What is the probability this shipment passes inspection?
Probability that none is defective, so:
0.3968 = 39.68% probability this shipment passes inspection.
Answer:
B. 5
Step-by-step explanation:
Step 1: Rewrite the equation a bit
Step 2: Place a logarithm base 7 on both sides
Step 3: Solve for x
Neat exponent question :)