The Following Table Shows the Distribution of Employees in an Organization.Martha

question 85

Multiple Choice

The following table shows the distribution of employees in an organization.Martha Foreman,an analyst,wants to see if race has a bearing on the position a person holds with this company. To test that race and seniority are independent,the null and alternative hypothesis are _______________________________________________________________________.

• A) H₀: Race and seniority are independent;H_A: Race and seniority are dependent
• B) H₀: Race and seniority are mutually exclusive;H_A: Race and seniority are not mutually exclusive
• C) H₀: Race and seniority are not mutually exclusive;H_A: Race and seniority are mutually exclusive
• D) H₀: Race and seniority are dependent;H_A: Race and seniority are independent

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Definitions:

Neurotransmitter Deactivation

The process by which neurotransmitters are inactivated in the synaptic cleft, stopping their effects on post-synaptic neurons.

Synaptic Cleft

The gap between two neurons at a synapse, through which neurotransmitters are released and travel to bind with receptors on the postsynaptic neuron.

Voltage-activated Calcium Ion Channels

Ion channels in cell membranes that open in response to changes in electrical potential, allowing calcium ions to enter the cell.

Presynaptic Membrane

Axon terminal membrane on the transmitter, or output, side of a synapse.