Blossom's Flowers Purchases Roses for Sale for Valentine's Day

question 81

Multiple Choice

Blossom's Flowers purchases roses for sale for Valentine's Day.The roses are purchased for $10 a dozen and are sold for $20 a dozen.Any roses not sold on Valentine's Day can be sold for $5 per dozen.The owner will purchase 1 of 3 amounts of roses for Valentine's Day: 100,200,or 400 dozen roses.If the probability of selling 100 dozen roses is 0.2 and 200 dozen roses is 0.5,then the probability of selling 400 dozen roses is

• A)0.7
• B)0.5
• C)0.3
• D)0.2

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Definitions:

Type II Error

The error that occurs when the null hypothesis is falsely not rejected, missing the detection of an actual effect.

Probability

A measure expressing the likelihood of a particular event or outcome occurring.

Two-tailed Test

A statistical test that considers the possibility of both directions of effect (greater than or less than), assessing the significance of a deviation in either direction from a null hypothesis.

Sample Size

The number of observations or data points collected or used in a sample for analysis.