Haj Promises to Transfer to Johnny a Jukebox Worth $1000

question 30

Multiple Choice

Haj promises to transfer to Johnny a jukebox worth $1000.Which of the following is not valid consideration for Haj's promise?

• A)Payment by Johnny of $50 cash for the jukebox
• B)The transfer by Johnny to Haj of Johnny's car worth $3000
• C)A promise by Johnny to mow Haj's lawn every month for a year
• D)A promise by Johnny to buy something nice for Haj in return

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Definitions:

Column Variable

A variable whose values are laid out in columns in a table or dataset, facilitating vertical comparison across data points.

Alpha

In statistics, alpha often denotes the level of significance, a threshold below which the null hypothesis is rejected.

Chi-Square

A statistical test used to determine if a significant relationship exists between two categorical variables in a contingency table.

Degrees of Freedom (df)

Number of values or quantities free to vary when a statistic is used to estimate a parameter.