: A sample of provided a sample mean of . The population standard deviation is .a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. b. What is the -value (to 3 decimals)

77

step-by-step explanation:

m∠abd = m∠dbc

step-by-step explanation:

given : ab bisects ∠dbc

as we know that bisection means ab divides   ∠dbc   in two equal angles named as   ∠dba and   ∠abc

so, m∠abd = m∠dbc  

because ab bisects ∠dbc.

hence , the first statement m∠abd = m∠dbc is true.