Business, 03.08.2021 17:40 therealrg10

In a recent year, the scores for the reading portion of a test were normally distributed, with a mean of 23.3 and a standard deviation of 6.4 . Complete parts (a) through (d) below. (a) Find the probability that a randomly selected high school student who took the reading portion of the test has a score that is less than 18 . The probability of a student scoring less than 18 is nothing . (Round to four decimal places as needed.)
(b) Find the probability that a randomly selected high school student who took the reading portion of the test has a score that is between 19.9 and 26.7 . The probability of a student scoring between 19.9 and 26.7 is nothing . (Round to four decimal places as needed.)
(c) Find the probability that a randomly selected high school student who took the reading portion of the test has a score that is more than 36.4 . The probability of a student scoring more than 36.4 is nothing . (Round to four decimal places as needed.)
(d) Identify any unusual events. Explain your reasoning. Choose the correct answer below.
A. None of the events are unusual because all the probabilities are greater than 0.05.
B. The events in parts left parenthesis a right parenthesis and left parenthesis b right parenthesis are unusual because its probabilities are less than 0.05.

Answers: 3

Show answers

Another question on Business

Business, 21.06.2019 22:20

Suppose a ceiling fan manufacturer has the total cost function c(x) = 48x + 1485 and the total revenue function r(x) = 75x. (a) what is the equation of the profit function p(x) for this commodity? p(x) = (b) what is the profit on 35 units? p(35) = interpret your result. the total costs are less than the revenue. the total costs are more than the revenue. the total costs are exactly the same as the revenue. (c) how many fans must be sold to avoid losing money? fans

Answers: 1

Answer

Business, 21.06.2019 23:30

Select the correct answer. joshua runs a large manufacturing business that is listed on the stock exchange. his company made good profits in the previous financial year. he now plans to reward his shareholders with handsome dividends. under which category of activities in the cash flow statement would the company’s accountants place this outflow of cash? a. investing activities b. operating activities c. financing activities d. non-operating activities

Answers: 3

Answer

Business, 22.06.2019 17:30

An essential element of being receptive to messages is to have an open mind true or false

Answers: 2

Answer

Business, 23.06.2019 01:40

During a liquidation, a partner's capital account balance drops below zero. what should happen? select one: a. the deficit balance should be removed from the accounting records with only the remaining partners sharing in future gains and losses.b. the partner with a deficit should contribute enough assets to offset the deficit balance if he is solvent.c. the other partners should contribute enough assets to offset the amount of deficit if the partner with a deficit is insolvent.d. both b & c

Answers: 3

Answer

You know the right answer?

In a recent year, the scores for the reading portion of a test were normally distributed, with a m...

Questions