The normal distribution is also known as the Gaussian distribution. The correct option is D, while the z-score is -2.29.
<h3>What is Normal Distribution?</h3>
The normal distribution, also known as the Gaussian distribution, is a symmetric probability distribution about the mean, indicating that data near the mean occur more frequently than data distant from the mean. The normal distribution will show as a bell curve on a graph.
Since the normal distribution is symmetrical about the mean. Therefore, 0.89 area from the left will be equal to 0.11 area from the right. Therefore, the correct option is D, while the z-score is -2.29.
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y=0.625x+1.75 is the equation for your problem.
Basically, the distance of roots to the axis of symmetry are the same to each other. Other root is -5.6. Hope this help.
To find how much was spent on fresh flowers, we just multiply 9% to the monthly budget, which is $18,000.
To multiply a percent to a number, we must first turn the percent into a decimal. Just divide the percent by 100 to get the decimal form. 9% is 0.09.
$1620 was spent on fresh flowers (that's quite a lot of money!)
