DATE:NO:Normal DistributionThe grades op Grode ) students in Gen math.are normally distributed with a mean of 85.and standard deviation of 12. Find the probabilitythat the istudents got a sore greater than X.No te: X= 87Step 1. CoDvert the normal value in zscore.Step 2 Drcaw the normal curve and locate the Z scoreand shade.Step 3: locate the cortesponding area op the z scoreIn the z-table.Step 4. Solue por the probobility that the istudenttr gota score greater than the 2-value

Answered: Image /qna-images/answer/866fb9c4-0216-486b-bbad-803d2928ba3c.jpg

Answered: Grode students in Gen math are normally…

Grode students in Gen math are normally distributed Krith a mean of 85. and standard deviation of 12. Find the probability that the istudents got a score areater than X. The grades of

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: 6. The size of fish is very important to commercial fishing. A study conducted in 2012 found the…

A: From the provided information, Mean (µ) = 42.1 cm Standard deviation (σ) = 2.98 cm X~N (42.1, 2.98)…

Q: The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation…

A: (a) Obtain the probability that pregnancy will last 307 days or longer. The probability that…

Q: Q4. Suppose a poll of 15 voters is taken in a large city. The purpose is to determine x, the number…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: 2. Suppose that the mean lifetime of a random sample of 25 batteries produced by a factory is 700…

A: Solution: 2. Let X be the lifetime of a battery. From the given information, X follows normal…

Q: 2. A radar unit is used to measure speeds of cars on a motorway. The speeds are normally distributed…

A: Given μ=90 km/hrσ=10 km/hr Find The probability that a car picked at random is travelling at more…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Let X represents the lengths of the steel rods Mean (X)=98.3 Standard deviation (X)=2.4 Therefore,…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: It is given that the mean is 116.7 and the standard deviation is 2.

Q: A variable x is normally distributed in a population with mean u and standard deviation o. The…

A: The standard error of the mean of a simple random sample of size 100 chose from the population is…

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 76 mph and…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

Q: 4. On a certain standardized test, the population mean is 250 with a standard error of the mean of…

A: Given: Population mean, μ=250Standard error of mean, σx¯=25

Q: Below represents the amounts that a random sample of employees reported that they spent on dinner…

Q: The duration of gestation in healthy humans is approximately normally distributed with a mean of 280…

Q: me believe that captain America can run the fastest Mike of any person alive. In order to test this…

Q: The length of a fully grown hibiscus plants is normally distributed and has a mean of 35cm and a…

A: Given that,Mean(μ)=35standard deviation(σ)=4 The random variable is length of fully grown…

Q: Today, the waves are crashing onto the beach every 5.4 seconds. The times from when a person arrives…

A: Solution: Let X be the times from when a person arrives at the shoreline until a crashing wave. From…

Q: Part 1 of 2 Find the probability that x will be more than 30. Round the answer to at least four…

A: Given Information: Mean μ=31 Standard deviation σ=6 Sample size n=60 Based on the sampling…

Q: O E atistic is | (Round to two decimal places as needed.)

A: For medium lead level: sample size (n1) = 11 sample mean (x̄1) = Σx1 /n1 =999/11 = 90.82 sample…

Q: 3. The amount dispensed by the coffee machine follow the normal distribution with a mean of 5,286…

Q: Word-e and Talk20 are two social media apps in which users can post messages in text. The character…

A: Given information- For Lena’s post- Population mean, µ = 65 Population standard deviation, σ = 27…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: mean=145.2cm S.D=2.2cm

Q: The probability that Mugdho loses an armwrestling match against Snigdho is 50.0%. Let's say, there's…

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 66…

A: Given : X~Nμ=66,σ=17

Q: 1. The length of life of an instrument produced by a machine has a normal distribution with a mean…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The percent of fat calories that a person in America consumes each day is normally distributed with…

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 5…

A: given data,normal distribution μ=5σ=3probability that person will wait more than 9 minutes =?

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days…

A: 1. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: A final exam in Reindeer Research Studies has a mean of 60 and a standard deviation of 5. If 25…

A: It is given that the mean is 60, the standard deviation is 5 and the sample size is 25.

Q: Determine whether the statement is true or false. If it is false, rewrite it as a true sta As the…

A: Given that statement. If increase the sample size then the standard deviation of the sample means…

Q: Listed in the data table are IQ scores for a random sample of subjects with médium lead levels in…

A: The IQ scores are Medium lead level High lead level 72 n2=11 x2=91.088 s2=10.092 97 92…

Q: Los Angeles workers have an average commute of 30 minutes. Suppose the LA commute time is normally…

A: We have to find given probability.

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Normal distribution

Q: A set of data items is normally distributed with a mean of 50 and a standard deviation of 8. Convert…

A: We have given that Mean, μ = 50 Standard deviation, σ = 8 Z-Score, z = ( X - μ )/σ

Q: me results of a certain medical test are normally distributed with a mean of 127 and a standard…

A: Given data,Mean μ=127sd σ=12P(X>133)=?

Q: Find the are of the shaded region. The graph depicts the iq scores of adults and those normally…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: Given that. X~N( 0 , 1 ) μ=0 , ?=1 (for standard normal distribution) Z-score =( x - μ )/?

Question

DATE:
NO:
Normal Distribution
The grades op Grode ) students in Gen math.
are normally distributed with a mean of 85.
and standard deviation of 12. Find the probability
that the istudents got a sore greater than X.
No te: X= 87
Step 1. CoDvert the normal value in zscore.
Step 2 Drcaw the normal curve and locate the Z score
and shade.
Step 3: locate the cortesponding area op the z score
In the z-table.
Step 4. Solue por the probobility that the istudenttr got
a score greater than the 2-value

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Inequality$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions

help with the question please (12).
Assume that adults have IQ score that are normally distributed with a mean of 100.4 and a standard deviation of 19.1. Find the probability that a randomly selected adult has an IQ greater than 130.7 (hint draw a graph.) the probability that a randomly selected adult from this group has an IQ greater than 130.7
Please complete B & C thank you!
Help
The daily electric consumption of two houses were recorded. House A has consumes 375W (mean) the standard deviation is 15W. While House B uses 250W (mean), the standard deviation is 22W. 1. Find the probability for each house that the electric usage will not exceed 400W.2. Find the probability that both houses will exceed 400W in usage.3.Given the probability of 0.02, how much electricity must House B consume to avoid exceeding?
Answer number 4 and 5 only pls.
Help
please send correct answer for Q7
JA researcher takes an SRS of 80 people who go golfing.The average to be u52 years old. It was also determined that the standard deviation of cac ot golfers was la What is the probability that the sample mean is kss. than 47 years old? age of all golferswas determined years.
help solve
Please explain how to solve as well.
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 231.1-cm and a standard deviation of 2-cm. Answer the following to the nearest tenth of a cm. Find P10, which is the length separating the shortest 19% rods from the longest 81%. P19 -cm