6. A study was conducted to determine the number of emergency calls per day received by theConestoga Valley Fire Company. The data are shown here:# of phone callsFrequency57828322110(a) Construct a probability distribution for the number of phone calls.(b) Find the mean number of phone calls, rounded to the nearest tenth.

Given data is # of phone calls 5 6 7 8 9 Frequency 28 32 9 21 10 We need to 1)construct a…

Answered: 6. A study was conducted to determine…

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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notes for class was absent, can you please help with 4.3.5
The percentages of weapons used in murders in a certain year are described in the pie chart. Complete parts (a) through (c) below. Types of Weapons Used in Murders Fireams, 64.9% Knives or other cutting instruments, 10.2% Unknown or other dangerous weapon, 13.1% Personal weapons (hands, fists, etc), 11.8% a. Find the probability that a weapon randomly selected from those used in murders in this specific year was a firearm. The probability that a weapon randomly selected from those used in murders in this specific year was a firearm is Type an integer or a decimal.) b. Find the probability that a weapon randomly selected from those used in murders in this specific year was NOT a firearm The probability that a weapon randomly selected from those used in murders in this specific year was NOT a firearm is (Type an integer or a decimal.) c. From inspecting the pie chart, a student concludes that in any year, 11.8% of weapons used in murders are personal weapons What would you tell the…
Next Question Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table Drive-thru Restaurant D A. D 260 56 231 Order Accurate Order Not Accurate 335 37 141 40 17 If one order is selected, find the probability of getting an order from restaurant A or D or an order that is not accurate. The probability of getting an order from restaurant A or D or an order that is not accurate is (Round to three decimal places as needed.) Enter your answer in the answer box 15 AM 12/7/2020 LG
I’m taking a probability and a statistics class. Please get this correct so I can study.
Q3: A. A scales representative who visits customers at home Finds she sells according to the following frequency distribution? Items frequency 1 10 3 2 4 Find the probability that she sells the following? a. Exactly one item. b. More than two items. At least one item. с. d. At most three items.
A variable of a finite population takes values 5, 7, or 8 and has the following frequency distribution: 5 7 8 frequency 25 40 60 Construct a probability histogram for variable X.
The final exam grade distribution for all students in the introductory statistics class at a local community college is displayed in the table, with A = 4, B = 3, C = 2, D = 1, and F = 0. Let X represent the grade for a randomly selected student from the class.What is the standard deviation of the distribution?A) 1.16B) 1.08C) 1.41D) 2.98
Use the standard normal probability chart, included in this exam, to look up the following numbers and draw the graph for each one. a. - .0492 b. 1.6 c. 1.06 d. -5.2
Please do this typewritten only. I will upvote. Thank you. USE HYPERGEOMETRIC PROBABILITY DISTRIBUTION.
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant D B D Order Accurate 319 270 231 129 Order Not Accurate 31 53 40 16 If one order is selected, find the probability of getting an order from restaurant B or C or an order that is not accurate. The probability of getting an order from restaurant B or C or an order that is not accurate is (Round to three decimal places as needed.)
Mean St. Dev. Distribution Males 23.5 in. 1.1 in. Normal Females 22.7 in. 1.0 in. Normal Use the data in the table for sitting adult males and females. These data are used often in the design of different seats, including aircraft seats, train seats, theater seats, and classroom seats. Find the probability that a female has a back-to-knee length between 22.0 in and 24.0 in Warning! This question is not multiple choice! You are to fill in the blank with the correct answer. Write your answer in the form 0.1234
D. The mean annual cost to attend a attend a college is $44,324. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,590. Ninety percent of all students pay less than what amount?

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