Ann works at a store in the mall and earns a wage of $8 an hour. She earns $10 an hour if she works on the weekends. Last week s
1 answer:
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Answer:
a) 0.0125
b) 0.4579
Step-by-step explanation:
For this question use tree diagram method to solve the question or by simply listing down the probabilities as I have done in the attached picture. Firstly, we need to convert all percentages in to decimal and those decimals will represent probability of each event. For example if we consider probability of quality score A it can be found by diving 77 with 100:
77/100 = 0.77
Similarly all probabilities can be found by simply dividing percentages with 100.
Part (b) is a conditional probability question. Given that a circuit failed is the condition. So we need to use conditional probability method to solve it.
Answer:
The Inequality representing the situation is .
Family needs to drive at least <u>40 days</u> to reach a distance of at least 1, 4000 miles.
Step-by-step explanation:
Given:
Number of miles family drive per day =350 miles
We need to find the number of days d they must travel to reach a distance of at least 1, 4000 miles.
we need to write the inequality to representing the situation.
Solution:
Let the number of days to be driven be
So now we can say that;
Number of miles family drive per day multiplied by the number of days to be driven should be greater than or equal to 14000.
framing in equation form we get;
Hence The Inequality representing the situation is .
On Solving we get;
Dividing both side by 350 we get;
Hence Family needs to drive at least <u>40 days</u> to reach a distance of at least 1, 4000 miles.