Suppose that the mean systolic blood pressure for women over age seventy is 131 mmHg (millimeters of mercury), with a standard deviation of 8 mmHg. Suppose that the blood pressures are normally distributed. Complete the following statements. (a) Approximately 95% of women over seventy have blood pressures between I mmHg and O mmHg . (b) Approximately ? mmHg and 139 mmHg. of women over seventy have blood pressures between 123

Q: What z-score would be associated with the value x = 143?

A: Given that Mean = 137 SD = 15 And the value X = 143

Q: Suppose the heights of adult women are normally distributed with a mean of 65 inches and a standard…

A: A normal distribution is a continuous distribution which has many real life applications. A standard…

Q: Suppose that in an examination, the cut-off score for passing is 75 for 200 persons. If the mean of…

A:

Q: A company pays its employees an average wage of $22.50 an hour with a standard deviation of $2.30.…

A: Given data: Mean = $22.50 an hour standard deviation = $2.30 To find: What is the highest 5% of the…

Q: Suppose the heights of adult women are normally distributed with a mean of 65 inches and a standard…

A: Given: The heights of adult women are normally distributed with Mean, μ=65 inches Standard…

Q: 2. The mean afternoon temperature in Quezon City for the month of April is 37°C and the standard…

A: The normal distribution related problems can be solved by using the standard normal z score method…

Q: The heights of adult men in America are normally distributed, with a mean of 69.1 inches and a…

A: Given that,For adult men,Mean = 69.1Standard deviation = 2.67And,For adult women,Mean = 64.1Standard…

Q: The annual income of residents in a county is $42,000 with a standard deviation of $10,000.  Under…

A: From the given information, the distribution of annual incomes is normally distributed with mean…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A:

Q: The average monthly income of 250 families in a certain barangay is P25,500 with a standard…

A: Given that mu = 25500,s.d = 3200

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days…

A: From the given Information, Let X represent the length of pregnancies in a small rural village and…

Q: ssume that the resting heart rate in humans is normally distributed with a population mean of 72 bpm…

A: A z-score represents the position of a data point in terms of its distance from the mean when…

Q: Suppose that the scores on a statewide standardized test are normally distributed with a mean of 71…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Based on the records of the Admissions Office of University X, the mean score of all Grade 11…

A:

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: Given data: Mean = 0.22 inches Standard deviation  = .05 inches To find: What proportion of woodlice…

Q: A company pays its employees an average wage of $22.50 an hour with a standard deviation of $2.30.…

A: The z score is used to test the probability of normal distribution. It is also known as standard…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: Obtain the Z-score of the random variable X equals 0.27. The Z-score of the random variable X equals…

Q: A professor finds that the grades in a large class are normally distributed. The mean of the grades…

A: It is given that mean is 64 and standard deviation is 10.

Q: A group of male basketball players has a mean height of 79 inches and a standard deviation of 1.7…

A: Introduction: Denote X as the height of a randomly chosen male basketball player. A group or sample…

Q: According to the Nielsen Company, the mean number of TV sets in a U.S. household in a recent year…

A:

Q: The mean height of Grade 11 students at a certain University is 150 cm and the standard deviation is…

A: Given that: Mean height: μ=150 cm Standard deviation: σ=12 cm Number of students: n=11 a. greater…

Q: A livestock company reports that the mean weight of a group of young steers is 1153 pounds with a…

A: Normal distribution is generally denser in the center, and basically less denser at the tails. There…

Q: The heights of 1000 students are normally distributed with a mean of 175 centimeters and a standard…

A:

Q: For a social club, the members had a mean age of 68 and a standard deviation of 10 years.  What is…

A: The mean is 68 and the standard deviation is 10.

Q: Would lun ne IS! 12. Antonio's height is 1 standard deviation below the mean for boys his age. If…

A: Antonio's height is 1 standard deviation below the mean for boys his age. The heights of boys are…

Q: In a course where the mean final exam grade is 68 with a standard deviation of 6.5, the grading…

A: Consider X be a random variable which follows normal distribution indicating the final exam grade…

Q: Suppose that the mean systolic blood pressure for women over age seventy is 131 mmHg (millimeters of…

A: According to the given information, we have Mean = 131 and Standard deviation = 9

Q: Suppose the average weight for a green apple is 153 grams, with a standard deviation of 27 grams,…

A: GivenFor Green apple Mean(μ)=153standard deviation(σ)=27For Red appleMean(μ)=200standard…

Q: Soum that the red blood cell counts of women are normally distributed with a mean of 4.577 million…

A: Solution: Let X be the red blood cell counts of women. From the given information, X follows normal…

Q: All the houses in Stanton county have a mean size of 1650 square feet with a standard deviation of…

A:

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days…

A:

Q: Suppose that the scores on a statewide standardized test are normally distributed with a mean of 71…

A:

Q: Suppose that the mean systolic blood pressure for women over age seventy is 132 mmHg (millimeters of…

A:

Q: In​ 2007, the mean rate of violent crime​ (per 100,000​ people) for 10 regions in the northeast of a…

A:

Q: In a particular city, the weight of newly born babies is normally distributed with a standard…

A:

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days…

A: Solution-: Given: μ=263 days, σ=13 days We want to find what range would you expect to find the…

Q: In the province of Iloilo,the set of recorded midday temperature readings for the month of February…

A: Given, 10.5% of recorded temperature readings were under 28°C, and that 33% were above 30°. The…

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 119…

A: The mean of the blood pressure is 119. The standard deviation of the blood pressure is 23.

Q: Assume that the test scores from a college admissions test are normally distributed, with amean of…

A: Hence,the percentage of the people taking the test score between 400 and 500 is…

Q: Suppose that the scores on a statewide standardized test are normally distributed with a mean of 65…

A: Given information- Mean, μ = 65 Standard deviation, σ = 4 a) The percentage of scores that were…

Q: A livestock company reports that the mean weight of a group of young steers is 1172pounds with…

A: a) It is given that the mean weight of a group of young steers follows normal distribution with mean…

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A:

Q: Suppose that the scores on a statewide standardized test are normally distributed with a mean of 70…

A: Let , X denotes  scores on a statewide standardized test .  Therefore , X - > N (mean = 70 , sd =…

Q: The Weather Underground reported that the mean amount of summer rainfall for the northeastern US is…

A: Solution: State the hypotheses. Null hypothesis: That is, the mean amount of summer rainfall for…

Q: Suppose that the heights of adult men in the United States are normally distributed with a mean of…

A:

Q: . A professor finds that the grades in a large class are normally distributed. The mean of the…

A:

Q: Suppose that the mean cranial capacity for men is 1040 cc (cubic centimeters) and that the standard…

A:

Q: Suppose that the scores on a statewide standardized test are normally distributed with a mean of 69…

A: Let X denote the scores on a statewide standardized test and it follows normal distribution with…

Q: A statistics professor announces that 15% of the grades he gives are As.  The results of the final…

A: Solution:From the given information, mean score is 83, standard deviation is 6. The fifteen…