Let X-Bin(5, 0.2), and X2-Bin(3, 0.2). a. What is the distribution of Y=X₁+X₂? b. Please calculate P(1
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A: According to the given information, we have Mean = 0 Standard deviation = 1 Z scores are -2.18 and…
Q: Find the z-scores that separate the distribution as follows, then sketch the curve. Separate the…
A: Separate the highest 50% from the rest of the distribution: PZ≥z=50%1-PZ≤z=0.50 PZ≤z=0.50…
Q: Select all the properties that must be true of a normal distribution. a The distribution is…
A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…
Q: For the data set (-1,–1), (2, 3), (6, 6), (9, 7), (9, 8), nd interval estimates (at a 94.3%…
A: For the data set(=1,-1),(2,3),(6,6),(9,7),(9,8),find interval estimates (at a 94.3% significance…
Q: 3. Below is a list of grades from a basic calculus Test for 25 students 32 34 35 37 43 45 47 47 48…
A: 32,34,35,37,43,45,47,47,48,50,54,54,56,57,58,60,61,62,65,67,70,71,75,76,78,
Q: Using the standard normal distribution find the following. а. Р(z $2.39) e. P(-2.35< z<1.87) b.…
A: Hey, since there are multiple subparts posted, we will answer first three question. If you want any…
Q: Describe the distribution of this variable by commenting on the shape (modality (how many peaks),…
A: Form the given graphs1st graph is uniformly distributed2nd graph is skew distributed (right skewed…
Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…
A: Given ,Mean , 100Standard deviation , 15 Also , the given graph is : We have to find the area of the…
Q: Below is a frequency distribution of a Quantitative Methods I Test. Complete the table class…
A: Below is a frequency distribution of a Quantitative Methods I Test. Complete the table class…
Q: Creat a 5-Number Summary and a box plot for one continuous variable. Are there any outliers in that…
A: Introduction: The five-number summary includes the minimum, first quartile, second quartile…
Q: The value given below is discrete. Use the continuity correction and describe the region of the…
A: By continuity correction factor, the discrete value of P(X > x) is equal to P(X > x + 0.5) in…
Q: Find the proportion of Normally distributed observations with a Z Z-score below 2.51. Give your…
A: From the provided information, The distribution is normal and the z score is below 2.51.
Q: What score defines the boundary for the top 10% of the distribution with a u = 50 and o = 1O? 62.5…
A: Given,μ=50σ=10
Q: Summarize the 5 properties that a normal curve will have when correctly graphed. Use the paperclip…
A:
Q: Decide which of the following statements are true. The line of symmertry for all normal…
A: One type of continuous probability distribution is a normal distribution. It shows the symmetrical…
Q: The following represents 30 test scores on an exam. 49.5, 48, 51, 50, 53.2, 52, 55, 54, 57, 56,…
A: Sort given values in ascending order 48, 49.5, 50, 51, 52, 53.2, 54, 55, 56, 57, 58, 59, 60, 61,…
Q: Determine whether each statement below is true or false All data distributions are normally…
A: which is a false statement.
Q: 5. Losses X follow a paralogistic distribution with 0 =5000 and a = 3. An insurance coverage for X…
A: Given : θ = 5000α = 3
Q: the indicated probability. Probability of fewer than 3 passengers who do not show up for a flight…
A: It is given asProbability of fewer than 3 passengers who do not show up for a flight.
Q: The probability that a randomly selected adult has an IQ less than 128 is (Type an integer or…
A: Given: Consider X as a random variable that follows a normal distribution with mean 22 and…
Q: Using the 2* rule, determine the number of class intervals(k) for the frequency distribution…
A: Given
Q: For a t distribution with n =11, what is the tvalue such that: 10% of the area under the t…
A: The sample size is, n = 11 The degree of freedom is, df=n-1 =11-1 =10
Q: The TIME COMPLETE A PHYSICAL FITNESSS TEST IS NORHALLY DIS TRIBUTED WITH A IT TAKES FOR Grade ll…
A:
Q: Not apart of assignment, practice work
A: FINAL ANSWER a) Mean = 0.0095 Variance = 1.0083∗10(−5) or 0.000010089 b) P[X<0.0095]=0.5 c)…
Q: Calculate the median temperature (rounded off to one decimal place) and describe the distribution of…
A: The frequency distribution of minimum temperatures in Cape Town over the past 50 days is shown in…
Q: Please answer all. Thank you. When do we use the t-distribution? A.) we can use the t-distribution…
A: When do we use the t-distribution
Q: Decide which of the following statements are true. Answer Normal distributions are symmetric, but…
A: Here we have identify the correct statement
Q: X values: 2, 1, 6, 1, 1, 1 For each X, compute a deviation from the mean and place those deviations…
A: Given data values of X2, 1, 6, 1, 1, 1The mean of the data is calculated as shown belowMeean = 2
Q: The value given below is discrete. Use the continuity correction and describe the region of the…
A: The continuity correction suggests adding or subtracting 0.5 from discrete values to get an accurate…
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A: According to the given information, we have Z score = -1.54 (Right tailed)
Q: Use the table below to find the percentage of data items in a normal distribution that lie between…
A:
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A: Z score = -0.51( Left tailed )
Q: Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data:…
A: given data claim : The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. n…
Q: 10+ 8 4 7 16 25 34 43 52 Letters [class midpoints shown] Calculate the dass width from the…
A: We have to calculate class width from the distribution above
Q: Given the distribution below, what is EX? x P(X=x) -30 0.22 1 0.54 11 0.01 42 0.11…
A: The expected value calculated by the formula…
Q: a. Left tail with n= 9. x = b. Right tail with n = 32 , x = C. Two tails with n = 34. x = and XR
A: We have to find left, right and two tail Chi square values for degrees of freedom = (n - 1)
Q: plZ answer a,b and c part
A:
Q: Find x₁ for x² distribution with 2 degrees of freedom. Xỏ.1 (Round the answer to 3 decimal places)
A: X follows chi-square distribution with 2 degrees of freedom
Q: hts the grade distribution of Mrs. Jones cla eir chapter test. Describe the distribution. Grade…
A: It is an important part of statistics. It is widely used.
Q: 5) Provide an appropriate response. The histogram shows the lifespan of a sample of 125 light bulb…
A: The histogram shows the lifespan of a sample of 125 light bulbs. x = time in month y = Frequency
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A: Bone density test scores are normally distributed.The mean of the distribution is 0.The standard…
Q: Let X have an Exp (0.2) distribution. Compute P(X > 5).
A:
Step by step
Solved in 3 steps with 3 images
- i need the answer quicklyAssume that a randomly selected subject is given a bone density test Those test scores are normally distributed with a mean of 0 and a standard deviation of 1 Draw a graph and find the bone density test scores that can be used as cutoff values separating the lowest 8% and highest 8%, indicating levels that are too low or too high, respectively S he regie Choose correct graph below. OB. OC. OD. The bone density scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.)The median and mode of the wage distribution are known to be ₹ 3,350 and ₹ 3,400 respectively. Find the values of f3, f and f5 + No. of Employees Wages (in) 0-1,000 1,000-2,000 2,000-3,000 3,000-4,000 4 16 f3 f4 Wages (in) 4,000-5,000 5,000-6,000 6,000-7,000 Total No. of Employees f5 6 4 230
- Use the Histogram tool to develop a frequency distribution and histogram for the number of months as a customer of the bank in the data below. Compute the relative and cumulative relative frequencies and use a line chart to construct an ogive. Complete the frequency distribution for the months as a customer, and compute the relative and cumulative relative frequencies. (Type integers or decimals rounded to three decimal places as needed.) Bins Frequency Relative Frequency Cumulative Relative Frequency 10 enter your response here enter your response here enter your response here 20 enter your response here enter your response here enter your response here 30 enter your response here enter your response here enter your response here 40 enter your response here enter your response here enter your response here 50 enter your response here enter your response here enter your…Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score greater than 0.42. ← 2 Sketch the region. Choose the correct graph below. OA. R F2 W S X H The probability is (Round to four decimal places as needed.). ommand 0.42 #3 80 F3 E Q D Ľ $ 4 C F4 R F 25 % V B. e F5 T G 0.42 I 6 MacBook Air B Fo Q Q Y H & 7 0 √ F7 U B N O C. 8 V -0.42 0.42 DII - M 1, (1) More ( 9 C K DD F9 O V - ) 0 L F10 P command OD. Time Remaining: 00:18:04 Next ^. ^ -0.42 - - ... I 4 F11 { + "1 [ option = ? 1 I F12 } ] delete LSelect the statements that describe a normal distribution. Two parameters define a normal distribution—the median and the range. The density curve is symmetric and bell‑shaped. The normal distribution is a discrete distribution. The normal distribution is a continuous distribution. Approximately 5%5% of values fall more than two standard deviations from the mean. The density curve is left‑skewed.
- answer pleaseFor the residents in 2014, use R to calculate the interval with 99% certainty that the interval contains the actual population mean of the residents by census tracts. Type in the interval with keyboard. We also know that in each year, the number of residents by census tract in the State of Maryland follows a normal distribution, and the variance in the number of residents within the State of Maryland is the same for different years. POP2014: 3072, 1989, 3794, 2689, 3211, 3722, 4385, 4009, 7598, 3862, 3097, 2726, 4881, 4157, 2570, 2512, 2518, 4863, 4147, 7139, 6067, 6819, 3705, 3239, 3824, 4977, 2576, 2940, 9791, 5231, 5634, 5337, 4205, 3888, 5562, 3335, 3770, 1808, 2045, 1532, 5420, 4993, 6109, 4377, 5424, 4976, 4507, 3738, 2827, 3485, 1559, 5199, 4702, 3971, 3803, 3356, 4670, 3816, 5477, 4760, 3126, 3630, 3755, 3795, 2578, 3382, 4005, 2442, 6096, 3799, 3843, 3836, 6046, 6431, 3561, 3142, 4829, 5058, 2471, 6119, 3523, 3094, 3146, 3356, 2618, 2366, 4266, 4016, 6080, 1554, 6878, 3645,…The stem-and-leaf plot show a spring 2019 pre-calculus class' scores for their first exam: 3 3 4 2,9,9 5 3,5,5 6 1,3,7,8,8,9,9 7 2,3,4,8 8 0,3,8,8,8 9 0,2,4,4,4,4,6 10 O Round each answer to two decimal places. Find the median of the scores for the first exam.
- P Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Dra a graph and find the bone density test scores that can be used as cutoff values separating the lowest 17% and highest 17%, indicating levels that are too low or too high, respectively. Sketch the region. Choose the correct graph below. O A. OB. ..... OC. Dz "z- The bone density scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.) OD. étv MacBook Pro Next 6.7530.758O. 21 rer website name V & 9 207 30 ) 6 ( | H 99 ToAssume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score greater than -3.71. Sketch the region. Choose the correct graph below. OA. 3.71 Q B. -3.71 The probability of a bone density test score greater than -3.71 is ☐. (Round to four decimal places as needed.) ๘ ๘ ปี OC. OD. Л 3.71 3.71Plz answer d,e and f part