A truck has 4 crates of apples each crate has an equal number of apples all together the truck is carrying 1728 apples how many
1 answer:
Answer:
1296 apples.
Step-by-step explanation:
We have been given that a truck has 4 crates of apples each crate has an equal number of apples all together the truck is carrying 1728 apples.
First of all let us figure out the number apples in one crate by dividing 1728 by 4.
Now we will multiply number of apples in one crate by 3 to find the number of apples in 3 crates.
Therefore, there are 1296 apples in 3 crates.
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The normal distribution curve for the problem is shown below
We need to standardise the value X=405.5 by using the formula
We now need to find the probability of z=0.32 by reading the z-table
Note that z-table would give the reading to the left of z-score, so if your aim is to work out the area to the right of a z-score, then you'd need to do:
from the z-table, the reading
gives 0.6255
hence,
The probability that the mean weight for a sample of 40 trout exceeds 405.5 gram is 0.3475 = 34.75%
We need to standardise the value X=405.5 by using the formula
We now need to find the probability of z=0.32 by reading the z-table
Note that z-table would give the reading to the left of z-score, so if your aim is to work out the area to the right of a z-score, then you'd need to do:
from the z-table, the reading
hence,
The probability that the mean weight for a sample of 40 trout exceeds 405.5 gram is 0.3475 = 34.75%