That’s the answer for 3(3c-d)
Answer:
a. 0.24094
b. 0.2494
c. 0.1473
Step-by-step explanation:
The total probability of choosing any 20 random balls out of 80 is
. We use combination since the order of selection does not matter
a. P(all numbers are selected)
are our numbers,
is the selection of other ten numbers apart from our numbers.

b. P(none of them are selected)
Since none of our numbers are selected, we assume that all the numbers selected are from the other 70.

c. P (exactly four are selected)
Only four from our numbers are selected and the rest 16 from the other 70 numbers.

Look at the sample space below. {1, 2, 3, 7, 9, 10, 15, 19, 20, 21} When chosen randomly, what is the probability of picking an
maw [93]
Answer:
the probability of picking an odd number is 7/10
Answer: 0.0227502
Step-by-step explanation:
Let x denote the random variable that represents the mileage of SUV.
As per given we have,


sample size : n= 36
We assume that the mileage of SUV is normally distributed.
Z-score value corresponds to x= 21.0,

Using standard z-value table ,
The probability that the sample average will be over 21.0 mpg:-
P(X>35)=P(z>2)=1-P(z<2)=1-0.9772498=0.0227502
Hence, the required probability = 0.0227502
Answer:
6580cm
Step-by-step explanation:
The answer is 6580cm because....
- Step one First let's figure out what the smaller shape's volume is. To do so we need to multiply ( LxWxH ) so 6x5x? it does not list what the height is so we know it has the same height as the larger shape and it's height is 14cm so we will use 14cm. 6x5x14=420cm
- Step two Now lets find the Volume of the larger shape. So lets do LxWxH so Lx?x14 it does not give us the length so we need to add up all of the numbers along the line. We got 7cm then 5 from the bottom of the smaller shape and 10cm. all ads up to 22cm so 20x22x14=6160
- Finally we add up the following shapes Volume which are 6160+420=6580cm