Answer:
great
Step-by-step explanation:
<span>Null Hypothesis:µ equals 2.5Alternative Hypothesis:
µ not equal to 2.5
Z Test
Test Statistic, Ztest: -18.1912
Critical Zcritical: ±1.9607
P-Value: 0,0000
As Ztest is not within the limits of Zcritical we can reject the null hypothesis
95% Confidence interval:
2.495746 < µ < 2.496574</span>
Answer:

Step-by-step explanation:
Number of Headband Types=3
P(Reese will choose a blue headband)=1/3
Number of Types of Necklace=2
P(Reese will choose a silver necklace)=1/2
Number of Types of Earrings=3
P(Reese will choose a silver earrings)=1/3
In Probability Theory,
P(A AND B)=P(A) X P(B)
Therefore, the probability that Reese will choose a blue headband, a silver necklace, and a silver pair of earrings

Answer:
53.9
Step-by-step explanation:
you add all of the sides up