Answer: 1/3
Step-by-step explanation: The probability is given by the number of times the event could happen (in this case get an "e"), over the number of all the possibilities (in this case, the six letters of the word)
Therefore, probability
Write a numerical expression for each verbal phrase.
2 answers:
You have of one type of coin and
of another type of coin.
To find the total number of coins, you need to add the two values together.
Answer:
The correct option is C) 12 + 20.
Step-by-step explanation:
Consider the provided phrase.
The total number of coins Kyle has if he has 12 quarters and 20 dimes
Use "+" sign for and .
He has 12 quarters and 20 dimes can be written as:
The total number of coins are the sum of 2 quarters and 20 dimes
Thus, the required expression is
Hence, the correct option is C) 12 + 20.
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Answer:
The probability that a jar contains more than 466 g is 0.119.
Step-by-step explanation:
We are given that a jar of peanut butter contains a mean of 454 g with a standard deviation of 10.2 g.
Let X = <u><em>Amount of peanut butter in a jar</em></u>
The z-score probability distribution for the normal distribution is given by;
Z = ~ N(0,1)
where, = population mean = 454 g
= standard deviation = 10.2 g
So, X ~ Normal()
Now, the probability that a jar contains more than 466 g is given by = P(X > 466 g)
P(X > 466 g) = P( >
) = P(Z > 1.18) = 1 - P(Z
1.18)
= 1 - 0.881 = <u>0.119</u>
The above probability is calculated by looking at the value of x = 1.18 in the z table which has an area of 0.881.