1. Mario has 45 red chips, 12 blue chips, and 24 white chips. What is the probability that Mario randomly selects a red chip or a white chip?
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- In want test the claim that the mean number of children that students have is less than 3. The collected data from a sample of students on how many kids each student has is below. Use as significance level of a=.10. (If you need to use ,≤, or use the little symbol above and then choose relationships) 1,3,2,0,0,4,2,1,0,0,0,1,2,0,0,1,4,2,1,0,0,0,0,3 Claim: ,=, ≤, ≥, and then a number) 3 (Two decimals like -4.97) (reject/fail to reject) Ho (One of these , , , and then a number) (This should be O because it says , , ≤, 2, and then a number) (supports/fails to support/rejects/fails to reject) the claim that the mean is less than 3.The ________ statistic tests whether the means of more than two groups are equal A.) Chi-Square B.) ANOVA C.) t-test D.) CorrelationHome | iC... (G *State Poli... A Police Offi... S & S Prop... Pf iCampus L... Bb Week 8 -... X ALEKS -S... O DESCRIPTIVE STATISTICS Shasia v Histograms for grouped data The following is a list of P/E ratios (current stock price divided by company's earnings per share) for 16 companies. 57, 53, 50, 46, 42, 35, 31, 56, 52, 49, 34, 34, 34, 30, 30, 30 Send data to calculator Draw the histogram for these data using an initial class boundary of 29.5 and a class width of 6. Note that you can add or remove classes from the figure. Label each class with its endpoints. Frequency Explanation Check 2UZI MCraw HlLEGUcation. All Rights Reser/ed. Terms of Use I Privacy Accessibility
- Which part of the expression is a termQuestion 4The researcher wishes to use graphical descriptive methods to present summaries of the data on each of the two variables: hours worked per week and yearly income, as stored in file HOURSWORKED.jpga) The number of observations (n) is 65 individuals. The researcher suggests using 7 class intervals to construct a histogram for each variable. Explain how the researcher would have decided on the number of class intervals (K) as 7. b) The researcher suggests using class intervals as 10 < X ≤ 15, 15 < X ≤ 20, …, 40 < X ≤ 45 for the hours per week variable and class intervals 40 < X ≤ 45, 45 < X ≤ 50, ..., 70 < X ≤ 75 for the yearly income variable. Explain how the researcher would have decided the width of the above class intervals (or class width). c) Draw and display a histogram for each of the two variables using appropriate BIN values from part (b) and comment on the shape of the two distributions.Help me learn