Okay i know i know i ask a lot of questions ifheriofher

We would assume that a randomly selected registered voter, x is classified as a conservative or not. It means that there are only 2 possible outcomes. Thus, it is a binomial probability distribution and the probability of success, p is that a randomly selected voter is classified as a conservative. Therefore,

p = 20% = 20/100 = 0.2

Number of trials, n = 10

Number of success, x = 6

The probability that six out of 10 would be conservatives is expressed as

P(x = 6)

Using the binomial probability calculator,

P(x = 6) = 0.0056

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3 years ago

Read the excerpt from the Supreme Court’s Brown v. Board of Education decision. We conclude that, in the field of public educati

QveST [7]

The correct answer is A. "separate but equal"

Explanation:

The excerpt presented belongs to the decision taken by Chief Justice Earl Warren (chief judge from 1943- 19539) as part of Brown v. Board of Education. In this, Chief Justice Warren declares integration is a must and the doctrine of "separate but equal" is unconstitutional as he demands "to admit to public schools on a racially nondiscriminatory basis".

Moreover, the doctrine of "separate but equal" defined by the Chief Justice as "inherently unequal" was a strategy and phrase opponents of integration used to avoid the process of integration as this implied building separated facilities for non-whites and claiming these facilities offered the same conditions. However, this doctrine still promoted discrimination as non-whites were not admitted or accepted in white schools. Moreover, in most cases the education offered and conditions were unequal. According to this, the phrase or doctrine used to drag out the process of desegregation or slow down integration is "separate but equal"

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4 years ago

The cost of 5 gallons of ice cream has a variance of 49 with a mean of 37 dollars during the summer. What is the probability tha

VMariaS [17]

Answer:

0.0119 = 1.19% probability that the sample mean would be less than 35.2 dollars if a sample of 77 5-gallon pails is randomly selected

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal probability distribution

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

In a set with mean $\mu$ and standard deviation(which is the square root of the variance) $\sigma$ , 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.

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$ .