Answer:
Lowest score needed=4.92
Step-by-step explanation:
Using the standard normal distribution table we find the value of standard normal deviate corresponding to area of 15%
For area of 15% we have Z= -1.04
Thus we have
Applying values we get
Thus lowest score needed = 4.92
Given :
A cuboid shaped tank with sides 3.2 cm , 2.8 cm and 1.6 cm.
To Find :
The volume of the tank.
Solution :
We know, volume of a cuboid is given by product of its sides or :
Therefore, the volume of the tank is 14.336 cm³ .
Answer:
1. C)
2. D)
Step-by-step explanation:
We know that:
1/3 is afraid of spiders
1/12 fears spiders and snakes
Then, the proportion of children who fear spiders and also snakes is calculated as:
Option C)
Of the 1/3 of children who fear spiders, 1/4 of them also fear snakes.
Now:
1/2 is afraid of the serientes
1/12 fears spiders and snakes
Then, the proportion of children who fear spiders and also snakes is calculated as:
Option D)
Of the 1/2 of children who fear snakes, 1/6 of them also fear spiders
4567288938 comes after 4567288937 hope that helps