URGENT PLEASE HELP 1. Use technology or a z-score table to answer the question.

The nightly cost of hotels in a certain city is normally distributed with a mean of $180.45 and a standard deviation of $24.02.

Approximately what percent of hotels in the city have a nightly cost of more than $200?

13.3%

20.9%

79.1%

86.7%

2. The weights of bags of pretzels are normally distributed with a mean of 350 grams and a standard deviation of 18 grams.

What is the weight of a bag of pretzels with a z-score of −1.6 ?

Enter your answer in the box.

3. The number of words per sentence in a certain book is normally distributed with a mean of 21 words and a standard deviation of 4 words.

Approximately what percent of sentences in the book are less than 13 words in length?

2.5%

5%

47.5%

87.5%

4. Use technology or a z-distribution table to find the indicated area.

The masses of the eggs collected on a farm are normally distributed with a mean of 55 grams and a standard deviation of 4.2 grams.

Approximately 80% of the eggs on the farm have a mass greater than which mass?

51.5 g

54.1 g

55.8 g

58.5 g

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