A survey by the National Retail Federation found that women spend on average $146.21 for the Christmas holidays. Assume that standard deviation is $29.44. Find the percentage of women who spend less than $160.00. Assume the variable is normally distributed. A survey by the National Retail Federation found that women spend on average $146.21 for the Christmas holidays. Assume that standard deviation is $29.44. Find the percentage of women who spend less than $160.00. Assume the variable is normally distributed.

The percentage of women who spend less than $160.00. Assume the variable is normally distributed is 68.03%

= 0.6803

= 68.03%

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68.03%

Step-by-step explanation:

Given, A survey by the National Retail Federation found that women spend on average () $146.21 for the Christmas holidays.

Let x be a random variable that denotes the amount that woman spend for the Christmas holidays. .

We assume that x is normally distributed.

Now , the percentage of women who spend less than $160.00 would be:

[By z-table]

Hence, the percentage of women who spend less than $160.00.  = 68.03%

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