Answer:
16 blueberries and 4 strawberries
Step-by-step explanation:
Given:
A bowl contains blueberries and strawberries there are a total of 20 berries in the bowl.
The ratio blueberries to strawberries is 4 to 1
Question asked:
How many of each berry are in the bowl ?
Solution:
Ratio of blueberries and strawberries = 4 : 1
Let ratio be
Number of blueberries in the bowl =
Number of strawberries in the bowl =
As total berries in the bowl are 20 and the bowl contains both blueberries and strawberries in the ratio 4 : 1 :-
Dividing both sides by 5
Number of strawberries in the bowl = = 4
Number of blueberries in the bowl = =
Thus, there are 16 blueberries and 4 strawberries in the bowl.
Using the formula for a z-distribution confidence interval of proportions, he also needs to know the confidence level.
<h3>What is a confidence interval of proportions?</h3>
A confidence interval of proportions is given by:
In which:
- is the sample proportion.
Of these 3 itens, the problem states that he knows the sample size and the sample proportion, hence he needs to know z to determine the confidence interval. z depends on the confidence level, which is the remaining parameter.
More can be learned about the z-distribution at brainly.com/question/25890103
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Answer:
All of the shapes are quadrilaterals.
Step-by-step explanation:
a quadrilateral is a four sided figure and all of the figures above contain 4 sides.
Answer:
8330
Step-by-step explanation:
we have given that 9.5 *105 tons.
so total weight of the goods=
we know that cost per ton is $20000.
so total cost of the goods=total weight *cost per ton
total cost=.
the csot of 997.5 ton is $19950000.