The least common multiple (LCM) of a set of numbers is the lowest value that all of the numbers can be divided by and have a result of a whole number.
In this case, the least common multiple is 21 because 21/7=3 and 21/21=1.
Correct hence this answer
Using the normal distribution, it is found that there is a 0.877 = 87.7% probability of a bulb lasting for at most 569 hours.
<h3>Normal Probability Distribution</h3>
The z-score of a measure X of a normally distributed variable with mean and standard deviation is given by:
- The z-score measures how many standard deviations the measure is above or below the mean.
- Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.
The mean and the standard deviation are given, respectively, by:
The probability of a bulb lasting for at most 569 hours is the <u>p-value of Z when X = 569</u>, hence:
Z = 1.16
Z = 1.16 has a p-value of 0.877.
0.877 = 87.7% probability of a bulb lasting for at most 569 hours.
More can be learned about the normal distribution at brainly.com/question/24663213
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Answer:
True
Step-by-step explanation:
The quadratic formula can be applied to any quadratic equation in the form (standard form).
The quadratic formula:
I hope this helps!
A decimal is a number, not under the form of a fraction, neither as a whole number, but a number that contains a decimal point. Each fraction got a value under the form of either w whole number, either a decimal number.
You could easily use a calculator to get the value of 4/3:
4/3 ≈ 1.33 (The decimal point is easily seen between 1 and 3)
Hope this Helps! :)