How does logical operator work- explain the differences between A AND B and A OR B? (6 pts)

Mathematics

1 answer:

mixas84 [53]3 years ago

6 0

Answer with Step-by-step explanation:

We are given two input A and B

A AND B= $A\cdot B$

If A=0 and B=0 then $A\cdot B=0$

If A=0 and B=1 then $A\cdot B=0$

If A =1 and B=0 then $A\cdot B=0$

If A=1 and B=1 then $A\cdot B=1$

A OR B=A+B

If A=0 and B=0 then A+B=0+0=0

If A=0 and B=1 then A+B=0+1=1

If A =1 and B=0 then A+B=1+0=1

If A=1 and B=1 then A+B=1+1=1

If A=0 and B=1 or A=1 and B=0 then A AND B=0 but A OR B=1

This is the main difference A AND B and A OR B.

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the average pieces of candy eaten by children in your neighborhood on halloween has a normal distribution with a mean of 14 and

Alecsey [184]

Answer:

21.19% eat less than 10 pieces of candy on halloween

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 14, \sigma = 5$