The weights of packs of chewing gum for a certain brand have a mean of 47.1 grams and a standard deu grams. The weight of a randomly selected pack of gum has a z-score of 3.11. Which of the following stat the best interpretation of the z-score? The weight of this pack of gum is lighter than the mean weight by 3.11 standard deviations. The weight of this pack of gum is heavier than the mean weight by 3.11 standard deviations. The weight of this pack of gum is lighter than the mean weight by 2.4 standard deviations. The weight of this pack of gum is heavier than the mean weight by 2.4 standard deviations.

Q: A particular fruit's weights are normally distributed, with a mean of 527 grams and a standard…

A: Given Mean=527 Standard deviations=5

Q: The tallest living man at one time had a height of 261 cm. The shortest living man at that time had…

A:

Q: Suppose that the weights of candy bars vary according to a normal distribution, with mean of 62…

A: The question is about normal dist. Given : The mean weights of candy bars ( μ ) = 62 g The std.…

Q: Private high schools often have entrance exams to assess the educational background of perspective…

A: Given Information: Brayden scored 174 on the Xavier high school admissions exam. Brayden scored 290…

Q: The drive distance (in yards) for professional golfers is normally distributed with a mean of 308.04…

A: 68-95-99.7-rule: Let X be an observation from a normal distribution, having mean µ and standard…

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: A particular fruit's weights are normally distributed, with a mean of 497 grams and a standard…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: A standardized measure of achievement motivation is modeled by a normal distribution with a mean of…

A: Obtain the achievement score The achievement score is obtained below as follows:

Q: Doug has 1,000 bottle caps in his collection compared to Melissa's 2000 bottle caps. If the average…

A: Given,mean(μ)=1250standard deviation(σ)=500Doug bottle cap collection(X)=1000Melissa's bottle cap…

Q: The results of a common standardized test used in psychology research is designed so that the…

A:

Q: It takes an average of 8 minutes for blood to begin clotting after an injury. An EMT wants to see if…

A: Given The data is as follows: Pop. mean, μ=8Sample size, n=62Sample mean, x¯=7.8Sample sd,…

Q: A particular fruit's weights are normally distributed, with a mean of 645 grams and a standard…

A: Let X denote the  fruit's weights and it follows normal distribution with a mean of μ=645 grams and…

Q: The distribution of the weights of dogs at a local rescue shelter is Normal, with a mean of 38…

A:

Q: The results of a common standardized test used in psychology research is designed so that the…

A: Suppose that the random variable x defines the scores in psychology research.

Q: A businessman calculated the average price of variety A rice per kilo at ₱32.00 with a standard…

A: First calculate sample mean and sample standard deviation for rice B varieties using Excel

Q: The results of a common standardized test used in psychology research is designed so that the…

A: Consider X be a random variable which follows normal distribution indicating the score earned on a…

Q: The heights of women are approximately Normal with mean 63.7 inchs and standard deviation 2.5…

A: Given information For Women Mean (µ1) = 63.7 inches Standard deviation (σ1) = 2.5 inches For men…

Q: A particular fruit's weights are normally distributed, with a mean of 625 grams and a standard…

A:

Q: The SAT and ACT are standardized tests for college admission in the United States. Both tests…

A: Percentile of Sam's score is given by the cumulative probability of observing a score of at least…

Q: A particular fruit's weights are normally distributed, with a mean of 453 grams and a standard…

A:

Q: Hamad scored 67 on the maths final exam and 82 on the marketing final exam. The maths exam had a…

A: X1: score in maths final examand X2: score in marketing final examGiven;x1=67 ,  μ1=mean(X1)=55  ,…

Q: A particular fruit's weights are normally distributed, with a mean of 649 grams and a standard…

A: Let  be the fruit's weight.Mean: Standard deviation: i.e.

Q: A student earned a 75 on a calculus exam, and she earned a 68 on a linear algebra exam. The calculus…

A:

Q: Suppose that another sample of resting heart rates for five Math students was obtained: 72, 68, 66,…

A: From the given data we want to know the data value .

Q: The mean BMI score for dieters on the Jenny Craig weight loss program is 38.5, and the standard…

A: The normal distribution: A continuous random variable X is said to follow normal distribution with…

Q: ... Since the z score for the tallest man is z = and the z score for the shortest man is z = | , the…

A: The tallest living man at one time had a height of 238 cm. The shortest living man at that time had…

Q: In one town, the number of pounds of sugar consumed per person per year has a mean of 6 pounds and a…

A: In one town, the number of pounds of sugar consumed per person per year has a mean of 6 pounds and a…

Q: A particular fruit's weights are normally distributed, with a mean of 349 grams and a standard…

A: Let X be the particular fruits weight. The Mean is μ=349. The standard deviation is σ=36.

Q: what is the value of the standard deviation of the weekly earnings of the bus drivers?

A: Let X be the random variable for the weekly earnings of bus drivers.Given that,Population mean

Q: The mean height of males 20 years old or older is 69.1 inches with a standard deviation of 2.8…

A: given data x = height of 20 years old or older μ = 69.1  inchesσ = 2.8 incheskevin's height,x = 83…

Q: A particular fruit's weights are normally distributed, with a mean of 767 grams and a standard…

A: Given data,μ=767σ=39P(X>x)=0.11x=?

Q: The carapace length of an adult is normally distributed with a mean of 17.55 mm and a standard…

A:

Q: The results of a common standardized test used in psychology research is designed so that the…

A: Given Population mean = 140 Population standard deviation = 40 Score =X= 44

Q: A pediatrician obtains the heights of her 200 three-year-old female patients. The heights are…

A: The given mean is 37.8 and the standard deviation is 3.14.

Q: The weights of ripe watermelons at Mr. Pakwan's farm are normally distributed with a standard…

A: We have to use CLT to find out the unknown mean.

Q: The mean test score for a history test is 63 with a standard deviation of 9. The mean test score for…

A: It is given that the mean test score and standard deviation for history test are 63 and 9, the mean…

Q: What is the z-score for this raw score?

A:

Q: A particular fruit's weights are normally distributed, with a mean of 384 grams and a standard…

A: Let X be the fruit's weights follows normally distributed, with a mean of 384 grams and a standard…

Q: The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a…

A: