Consider the probability that exactly 95 out of 160 computers will not crash in a day. Assume the probability that a given computer will not crash in a day is 62%. Approximate the probability using the normal distribution. Round your answer to four decimal places.
Consider the probability that exactly 95 out of 160 computers will not crash in a day. Assume the probability that a given computer will not crash in a day is 62%.
Approximate the probability using the normal distribution. Round your answer to four decimal places.
Expert Answer
Related Statistics Q&A
Q: A population has a mean of 75 and a standard deviation of 15. You randomly sample nine people from t...
A: From the given information, the population has a mean of 75 and a standard deviation of 15. And the ...
Q: Big babies: The National Health Statistics Reports described a study in which a sample of 355 one-ye...
A: a) From the given information, the claim of the problem is testing whether the mean weight of one-ye...
Q: The US population is 13% African American. If you were to take a SRS of 500 Americans, above what p...
A: Solution:From the given information, the proportion of African American is 0.13, random sample of si...
Q: The U.S. Geological Survey compiled historical data about Old Faithful Geyser (Yellowstone National ...
A: Solution:From the given information, the first sample size is 9,800 observations; sample mean is 61....
Q: Explain the difference between a stratified sample and a cluster sample. (Select all that apply.) In...
A: Cluster sampling is a sampling method in which the researcher divides the population into clusters, ...
Q: A marketing firm wishes to estimate the standard deviation of the ages of college students. How many...
A: It is given that the margin of the error E is 0.05σ, respectively. The level of confidence is 0.95.
Q: Use the standard normal distribution (aka z distribution where mu = 0 and sigma = 1) to determine th...
A: From the given information, the mean is 0 and the sigma is 1.
Q: Part A. Please show ti 84 steps
A: (a) The random sample, n is 60, the standard deviation is 20 and the sample mean is 32. The confiden...
Q: The US population is 13% African American. If you were to take a SRS of 500 Americans, below what p...
A: From the given data The US population is 13% African American
Q: At a dog show, there are 26 tickets in a raffle cup for the basket I want (including mine). What is...
A: The total number of tickets are 26 and only one ticket per person in the cup is allowed.
Q: Appliance ownership- the probability that a person owns a microwave oven is 0.75, that a person owns...
A: the probability that a person owns a micro oven P(Oven) = 0.75probability that person owns a compact...
Q: two dice are thrown together, and the score added. what is the probability that the total score exce...
A: Total Score exceeds 8 meansSum of 9,10,11 and12 should be obtainedOutcomes related to 9 are (3,6), (...
Q: The Stanford-Binet Intelligence Scale is an intelligence test, which, like many other IQ tests, is s...
A: Solution:Margin of error:Margin of error is a range of values that lie above and below the sample st...
Q: Will you show me step by step how to solve this?
A: Here two z values are required to be calculated.Given:P(|Z|>zo) = 0.056It could be simplified as:
Q: How many ways are there to choose first, second, and third prizes in an art contest with 18 entries?
A: Introduction:According to the permutation rule, if r distinct items are to be chosen from n items wi...
Q: for this set of data, the standard deviation is equal to: 9,8,10,5,5,2,3,6,3
A: Mean:The formula for finding mean is shown below:
Q: I have absolultely no understanding of how to solve this the formulas given in the text make no sens...
A: Given dataMean(µ) = 2.888Standard Deviation (σ) = 0.009n> 30, so, Applying central limit theorem
Q: Exercise 5.7.4 A UMass Boston student has earned 55 credits toward his degree but has a GPA of just ...
A: It is given that the GPA for 55 credits is 1.8.The minimum GPA to obtain is 2.Let G be the required ...
Q: I'm studying for an exam tomorrow, and I keep getting stuck on the same section of problems, no matt...
A: The test is randomized, so, the answers will vary, one of the possible answers is given below:In thi...
Q: Following are the weights of 8 boxes of cookies, each of which is labeled as containing 16 ounces. A...
A: It is provided that,Sample size (n) = 8Hypothesized population standard deviation (σ0) = 0.1Level of...
Q: Figure 1 shows sample means from samples of size n=100 from a population. Estimate the value of the ...
A: It is given that sample size (n) is 100.The given graph shows that the sample means of a population,...
Q: 3. Determine a and b for Y X1 and Y2aX bX2 such that EX1 EX2}= 0, Var(X) Var(X2) Var(Yi) Var(2) 1, C...
A: The provided information is:
Q: 63% of all students at a college still need to take another math class. If 4 students are randomly s...
A: It is given that n =4 and p = 0.63.The probability mass function of binomial distribution is given b...
Q: Please show TI 84 steps
A: From the given information, the alternative hypothesis is µ<6. That is, the given test is left ta...
Q: A genetic experiment involving peas yielded one sample of offspring consisting of 455 green peas and...
A: State the appropriate hypothesis:Let p be the population proportion of yellow offspring peas.The giv...
Q: How can I tell whether to use the addition rule or the multiplcation rule when determining probabili...
A: Click to see the answer
Q: Please See Picture
A: X- be the winnings when we quit.Case-1 win in first spinProbability of win in first spin = 18/38prof...
Q: Please show TI 84 steps
A: Computation of mean and standard deviation:Here, n=300; p̂=0.40; q̂=0.60 (=1−0.40).The mean and stan...
Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use ...
A: This question can be solved using hypothesis test for a Proportion. Among the respondents, 208 answe...
Q: A group conducted a survey of 13,000 brides and grooms married in the United States and found that t...
A: The minimum cost (in dollars) for a wedding to be included among the most expensive 5% of weddings i...
Q: SAT scores (out of 2,400) are normally distributed with a mean of 1,500 and a standard deviation of ...
A: It is given that the mean and standard deviation are 1,500 and 300, respectively.
Q: a normal population has a mean of 28 and a standard deviation of 5. what proportion of the populatio...
A: It is given that mean and standard deviation are 28 and 5, respectively.
Q: A study of intra-observer variability in the assessment of cervical smears, 3,325 slides were screen...
A: 1) The appropriate Null and Alternative Hypotheses are given below: From the given information, the ...
Q: The caffeine content (in mg) was examined for a random sample of 50 cups of black coffee dispensed b...
A: Given sample size of black coffee cups n = 50Caffeine content mean = 110mgStandard deviation = 7.1 m...
Q: What is the value of ΣX for the scores 2, 5, 3?
A: Given data2,5, 3ΣX = 2+5+3 = 10
Q: Searc k for Chapter 9-3352. (1) Protected View - Saved Help View Review Mailings rences t can contai...
A: Given Data
Q: The ages of the winners of a cycling tournament are approximately bell-shaped. The mean age is 27.5 ...
A: It is given that the mean and standard deviation are 27.5 and 3.4, respectively.
Q: Explain the difference between a simple random sample and a systematic sample. (Select all that appl...
A: In Simple random sample every sample of size n have equal chance of being included.In a systematic s...
Q: Translate each of the following research questions into appropriate H0 and Ha. Census Bureau data s...
A: Note:Hey there! Thank you for the question. As have posted two different questions together- identif...
Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of...
A: Introduction:The sampling distribution of the sample mean, X̅ from a population with normal distribu...
Q: please solve the bullet points question. please show me details for the answers and what are the for...
A: Note:Hey there! Thank you for the question. In the last line of Part (iii), nothing is displayed aft...
Q: Part D and E
A: In order to get the test statistic value, the MINITAB output for the paired t-test is given below.
Q: What is a P value?
A: The p-value is also called as probability value.
Q: Assume that the probability of a being born with Genetic Condition B is p=p=4/15. A study looks at a...
A: It is given that the random variable X, number of births with genetic condition B follows a binomial...
Q: A simple random sample of size n = 64 is obtained from a population with μ=80 and σ=16. (a) Descri...
A: (a) From the Central Limit Theorem, the sampling distribution of sample mean is normal distribution ...
Q: #3: Let Z bee normally distributed with mean 0 and variance 1. Let Z1,..., Zn be an i.i.d. random sa...
A: Solution:3.a. The moment generating function of Z2 is obtained below:From the given information, z b...
Q: (Previous Problem for reference: A randomsample of 10 males 50 years of age is selected and their we...
A: Given:X=# Hrs ExerciseY=SBP
Q: Translate each of the following research questions into appropriate H0 and Ha. Census Bureau data...
A: Null hypothesis:In statistics, null hypothesis say that there is no statistical significance. It gen...
Q: Assume that a procedure yields a binomial distribution with a trial repeated n=13n=13 times. Use eit...
A: Giventotal number of trails = n = 13probability of success = p = 0.46To find the probability of 1 su...
Q: Rocky Mountain National Park is a popular park for outdoor recreation activities in Colorado. Accord...
A: According to the provided data, the sample size, n is 175. The probability of entering through the B...
