Answer:
The critical <em>z</em>-value for a confidence level of 85% is ±1.439.
Step-by-step explanation:
The critical value of a distribution is the value beyond which the rejection region lies.
For a confidence interval the rejection region lies beyond two values, the positive and the negative critical value.
The confidence level is, 85%.
Compute the critical value of <em>z</em> for 85% confidence level as follows:
*Use a <em>z</em>-table for the value.
Thus, the critical <em>z</em>-value for a confidence level of 85% is ±1.439.
Answer:
i think it would be x = $10 + $1.50 + $3.00 * 4
and B 4x = $14.50
Step-by-step explanation:
im not completely sure of this sorry if its wrong
Answer:
you dont have question correct
Step-by-step explanation:
Answer:
i say 40 minutes
Step-by-step explanation: in the first 4 minutes she planted 7 flowers, in the next 8 minutes she planted 21 flower. so what i did was divide 70 by 7... since the amount of flowers is going up by 7's. so 70 divided by 7 is 10... now every 4 minutes you plant flowers so 10 by 4= 40 minutes
Answer:
for the second pic u can use the quadratic formula
Step-by-step explanation:
ur a is 1 then b is 60 and c is 256 place the values and ull get two answers one for plus and second for minus