The success rate a salesman may achieve through cold calling will largely depend on the approach theytake. According to Charlie Cook, author and marketing consultant, conversion rates for cold calls usuallyfall in the 2 percent range, while referrals may have a 50 percent conversion and solid leads may have a 20percent conversion. A group of salesmen was assigned to pursue 300 "solid leads" during the period of aweek.• Let X be the number of sales generated from 300 "solid leads". Describe the distribution of X andits parameters:X - B✓ (n=• Use the random variable notation to symbolically express the probability that at least 66 sales will begenerated from 300 "solid leads":Select an answer ✓• Let Y be a normal variable that will be used to approximate the probability in question. Find theparameters of Y (round the answers to 2 decimal places):Y~ Select an answer (=• Use the correction for continuity:P• Use the random variable notation to symbolically express the approximate probability that at least66 sales will be generated from 300 "solid leads":Select an answer ✓Select an answer ✓• Find the probability (round the answer to 4 decimal places):σ

Answer:- Given, sample size, n = 300 Solid leads may have a 20 percent conversion.Let X be the…

Answered: week. • Let X be the number of sales…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose a researcher wants to test if the average diastolic blood pressure in African-Americans is different than the average diastolic blood pressure in the general population. Note that the average diastolic blood pressure in the general population is 70 mmHG. The researcher retains the null hypothesis, so she therefore concludes... Group of answer choices The mean diastolic blood pressure in African-Americans is equal to that of the general population The mean diastolic blood pressure in African-Americans is different than that of the general population
Lexie wants to know the proportion of shoppers at Lakeline Mall who are 25 years old or younger. She takes a random sample of 300 shoppers at Lakeline Mall and sees that 189 of them were 25 years old or younger. Let p represent the proportion of shoppers at Lakeline Mall that are 25 years old or younger. Identify the population and the sample in this study. Population = the 300 shoppers selected; Sample = all of the shoppers at this mall. Population = all of the shoppers at this mall; Sample = the number of people 25 years old or less. Population = all of the shoppers at this mall; Sample = the 300 shoppers selected. Population = the 300 shoppers selected; Sample = the number of people 25 years old or less.
A class of students took a test. The instructor said that the 75th percentile score was 90 out of 100. What does this mean? A. 90% of the students scored 75 or more on the test. B. 75% of the students scored 90 or more on the test. C. 25% of the students scored 90 or more on the test. D. The high score in the class was (.75)(90).
As part of a sixth-grade class project the teacher brings to class a jar containing 200 gumballs of two different colors: red and green. Andy is asked to draw a sample of his own choosing and estimate the number of red gumballs in the jar. Andy draws a sample of 25 gumballs, of which 8 are red and 17 are green. Use Andy's sample to estimate the number of red gumballs in the jar. There are approximately Answer red gumballs in the jar.
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calculate probability of the given Z scores: mean= 0 SD= 1 Given Z scored: -3, -2,-1, 0, 1, 2, 3
The histogram displays the number of 2008 births among U.S. women ages 10 to 50 . Each bin represents an interval of two years, and the height of each bin represents the frequency with which the data fall within that interval. A histogram for the number of births by mother’s age for 2008. Height of 62 for ages 14 to 16, height of 202 for ages 16 to 18, height of 369 for ages 18 to 20, height of 415 for ages 20 to 22, height of 441 for ages 22 to 24, height of 470 for ages 24 to 26, height of 487 for ages 26 to 28, height of 460 for ages 28 to 30, height of 403 for ages 30 to 32, height of 326 for ages 32 to 34, height of 252 for ages 34 to 36, height of 177 for ages 36 to 38, height of 99 for ages 38 to 40, height of 46 for ages 40 to 42, height of 17 for ages 42 to 44, and height of 4 for ages 44 to 46. Use the provided histogram to answer questions about the number of births for each age group. How many births occurred among women over the age of 38 ? number of births:What percentage…
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