Mr. Shipley is in charge of a school trip. 317 students will go on the trip. Thhe school had seven buses and one van. If the van
1 answer:
Answer:
<u>44 </u>students will ride on each bus.
Step-by-step explanation:
Given:
Mr. Shipley is in charge of a school trip.
317 students will go on the trip.
The school had seven buses and one van.
If the van can haul nine students.
Now, to find the number of students who will ride on each bus.
Total students who will go on trip = 317.
So, we deduct the nine students of van from total students.
Thus, there are 308 students remaining for riding on the seven buses.
Now, to get the number of students that will be riding on each bus we divide 308 remaining students by number of buses:
Therefore, 44 students will ride on each bus.
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Solution :
Given data :
The mean length of the steel rod = 29 centimeter (cm)
The standard deviation of a normally distributed lengths of rods = 0.07 centimeter (cm)
a). We are required to find the proportion of rod that have a length of less than 28.9 centimeter (cm).
Therefore, P(x < 28.9) = P(z < (28.9-29) / 0.07)
= P(z < -1.42)
= 0.0778
b). Any rods which is shorter than cm or longer than
cm that re discarded.
Therefore,
P (x < 24.84 or 25.16 < x) = P( -59.42 < z or -54.85)
= 1.052
Answer:
.
Step-by-step explanation:
The given statement is "64 less than y is no less than −128". It means 64 less than y is greater than or equal to −128.
Add 64 both sides.
It means possible value of y is greater than or equal to -64.
Therefore, the required interval is .