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The number of pieces of popcorn in a large movie theatre popcorn bucket is normally distributed, with a mean of 1515 and a standard deviation of 15. Approximately what percentage of buckets contain between 1470 and 1560 pieces of popcorn?

Approximately 68%
Approximately 75%
Approximately 95%
99.7%

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Answer:

d: 99.7

Step-by-step explanation:

We know the mean is 1515. we know the standard devation is 15. both of 1560 and 1470 are both 3 standar devations away from the mean. on a table this would show almost all of the table. hence 99.7. Now im not 100% on this as i ahve the same question on a quiz but if i get it write i will add an answer or comment to this.

Percentage of buckets contain between 1470 and 1560 pieces of popcorn= 99.7%

How is percentage mean?

percentage, a relative value indicating hundredth parts of any quantity. One percent (symbolized 1%) is a hundredth part; thus, 100 percent represents the entirety and 200 percent specifies twice the given quantity.

How do you calculate percentages?

The following formula is a common strategy to calculate a percentage:

  • Determine the total amount of what you want to find a percentage.
  • Divide the number to determine the percentage.
  • Multiply the value by 100

To learn more about percentage, refer

https://brainly.com/question/2236179

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